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Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.04 - Safety Standards for Trucks, Truck Tractors, Commercial Buses, and Type I School Vehicles › Section 11.14.04.22 - Preventive Maintenance - Applicable to School Vehicles Only

Current through Register Vol. 51, No. 14, July 12, 2024
A. The vehicle
				owner shall establish a preventive maintenance program recording inspection,
				repairs, and maintenance by vehicle number, and include at least annually a
				complete preventive maintenance inspection, to assure that each vehicle is in
				compliance with all sections of this handbook pertaining to school vehicles.
				When the wheels have been removed for inspection or maintenance, and after the
				wheels have been replaced, the vehicle shall be test-driven to assure there is
				no brake imbalance before the vehicle is released for pupil transportation.
				Before September of each year, the Administration shall determine that the
				annual preventive maintenance inspection on each vehicle has been performed
				within the previous 12 months, repaired or replaced systems or parts are
				operating properly, and the condition of the vehicle is in accordance with the
				established standards. The Administration may require a wheel or wheels to be
				pulled by the vehicle owners or mechanic, to verify condition and repair of
				brake and other systems. In the event of a change of vehicle ownership and
				before the vehicle is authorized to transport school children, the
				Administration may require a preventive maintenance inspection and
				accomplishment of any maintenance found necessary.
B. Preventive Maintenance Inspection.
Procedures:
Reject Vehicle If:
(1) Inspect program for technical adequacy and for
						  compliance with accepted standards.
(1) Preventive maintenance inspection has not been
						  performed as required.
(2) Inspect vehicle records for compliance with minimum
						  requirements of established standards. Each entry should be checked against the
						  actual condition of the item.
(2) Records are unavailable or do not substantiate
						  inspections, repairs, or maintenance performed as required.
(3) Verify the vehicle preventive maintenance inspection
						  certification.
(4) A preventive maintenance inspection shall include
						  compliance with all items listed in the handbook.
C.
				Regular Inspection. Regular inspections shall be performed twice annually as
				required.
Procedures:
Reject Vehicle If:
(1) Regular inspections shall include the items in the
						  preventive maintenance inspection except pulling wheels and checking brake
						  linings, pads, and drums.
(1) Regular inspection has not been performed as
						  required.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.04 - Safety Standards for Trucks, Truck Tractors, Commercial Buses, and Type I School Vehicles › Section 11.14.04.23 - Load Covers

Current through Register Vol. 51, No. 14, July 12, 2024
A. This
				regulation does not apply to a:
(1) Class K
				(farm area) vehicle as defined in Transportation Article, §
										13-935, Annotated Code
				of Maryland;
(2) Construction
				vehicle working within the confines of a public works construction work project
				site as outlined in the construction project's plans and specifications,
				provided the distance travelled does not exceed 1 mile or the distance
				specified in an extension granted by the Maryland Department of
				Transportation;
(3) Construction
				vehicle or mining equipment while crossing a highway between construction or
				mining sites; or
(4) Vehicle,
				within the Port of Baltimore for a distance not to exceed 1 mile, carrying a
				load of loose material between a stockpile or storage facility and a vessel
				docked at the Port.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.05 - Safety Standards for Trailers › Section 11.14.05.01 - Applicability

Current through Register Vol. 51, No. 14, July 12, 2024
The standards, requirements, and procedures set forth in this
				  chapter are applicable to equipment originally installed by the manufacturer or
				  required by federal or State requirement on trailers (including pole trailers,
				  semitrailers, camping trailers, trailers so designed or manufactured for the
				  purpose of moving modular homes, travel trailers) and any questions regarding
				  these standards or specifications shall be referred to the Automotive Safety
				  Enforcement Division of the Maryland State Police. Any person constructing or
				  reconstructing a vehicle shall assure the vehicle meets or exceeds all
				  applicable federal and State safety standards.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.05 - Safety Standards for Trailers › Section 11.14.05.02 - Hitches or Coupling Devices

Current through Register Vol. 51, No. 14, July 12, 2024
Inspect hitches, coupling devices, tongues, or drawbars on
				  trailers and semitrailers for proper alignment, distortion, deformation,
				  cracks, or missing parts. On vehicles equipped with a ball-type hitch, pintle
				  hood, or drawbar means of attachment, inspect for presence, attachment, and
				  size of safety chains or cables.
Procedures:
Reject Vehicle If:
A. Inspect hitches, couplers, tongues, or drawbars on
						  trailers and semitrailers for:
A.
(1) Proper alignment, distortion, deformation, cracks,
						  or missing parts;
(1) Hitch, coupler, tongue, or drawbar is improperly
						  aligned, distorted, deformed, has any cracks or missing parts.
(2) Presence and strength of safety chains or cables on
						  vehicles equipped for a ball and hitch, pintle hook, or drawbar means of
						  attachment.
(2) Safety chains or cables on vehicles equipped for a
						  ball and hitch, pintle hook, or drawbar means of attachment are severely worn,
						  missing, broken, or not of sufficient strength to support the vehicle in the
						  event the primary attachment device becomes uncoupled.
B. On trailers or semitrailers to be coupled to a towing
						  vehicle with a fifth wheel, inspect king pin for excessive wear.
(3) Wear on king pin exceeds manufacturer's allowable
						  tolerance.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.05 - Safety Standards for Trailers › Section 11.14.05.06 - Rear Metal Frame

Current through Register Vol. 51, No. 14, July 12, 2024
Every trailer or semitrailer of a gross weight of 3,000
				  pounds or more when operated upon a highway shall be equipped with a permanent
				  metal frame attached to the underside of the rear of the vehicle. The frame may
				  not be any wider than the width of the vehicle and may not be more than 30
				  inches above the highway when moving and shall be constructed of heavy gauge
				  steel. The maximum transverse distance from the widest part of the vehicle at
				  the rear to the frame may not exceed 18 inches. The frame shall be constructed
				  so as not to interfere with lights or other warning devices. Any trailer or
				  semitrailer so constructed and maintained so that the body, chassis, or other
				  parts thereof afford protection required by this section, shall be deemed to be
				  in compliance. The provisions of this section do not apply to pole trailers or
				  to vehicles where the installation of the required frame would prevent
				  operation of the vehicle to secure its designed use.
Procedures:
Reject Vehicle If:
A. Rear Metal Frame. Inspect frame for proper size,
						  mounting, interference with lights or warning devices, and type of
						  construction.
A.
(1) Rear protector frame does not conform
						  to requirements.
(2) Rear protector frame is missing when
						  required.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.05 - Safety Standards for Trailers › Section 11.14.05.07 - Rear Wheel Protector Flaps

Current through Register Vol. 51, No. 14, July 12, 2024
Every trailer or semitrailer when operated upon a highway
				  shall be equipped with suitable metal protectors or substantial flexible flaps
				  behind the rearmost wheels of the vehicle to prevent the projection of rocks,
				  dirt, water, or other substances to the rear and to minimize side spray. This
				  section does not apply to pole trailers or other vehicles if the construction
				  is such that complete freedom around the wheel area is necessary to secure the
				  designed use of the vehicle.
Procedures:
Reject Vehicle If:
A. The protectors or flaps shall have a ground clearance
						  of not more than one-third of the horizontal distance from the bottom edge of
						  the protector or flap to the centerline of the axle, provided, however, that no
						  protector or flap need be closer to the ground than 6 inches under any
						  condition of loading. The protector or flap shall extend laterally at least the
						  width of the tire or tires being protected.
A. Measurement A is longer than 1/3 the length of
						  Measurement B (Figure 5) and the vehicle is not equipped with flaps or
						  protectors or flaps are not of required length.
B. If any trailer or semitrailer is so designed or
						  constructed that the objectives of this section are accomplished by reason of
						  fender or body construction or other means of enclosure, either permanent or
						  temporary, then the requirements of this section have been satisfied.
B. Protector or flap does not extend laterally at least
						  the width of the tire or tires being protected. C. Protectors or flaps are not
						  securely attached to the vehicle.
Figure 5-REAR WHEEL PROTECTOR FLAP REQUIREMENTS.
Click
				  here to view Image
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.05 - Safety Standards for Trailers › Section 11.14.05.08 - Fenders

Current through Register Vol. 51, No. 14, July 12, 2024
Fender inspection shall include condition, mounting, and
				  coverage of wheels and tires. If the body or fenders of the vehicle do not
				  provide coverage, the vehicle shall then be equipped with suitable metal
				  protectors or substantial flexible flaps behind the rearmost wheels of the
				  vehicle. This section does not apply to pole trailers or other vehicles where
				  the construction is such that complete freedom around the wheel area is
				  necessary to secure the designed use of the vehicle.
Procedures:
Reject Vehicle If:
A. Fenders shall be securely attached to the vehicle and
						  inspected for tears, sharp or jagged edges, sufficient coverage of the wheel
						  and tire to the side and to the front and rear of tires and wheels. Fenders may
						  be extended outward to compensate for tire or wheel changes provided the
						  extensions: (1) Provide required coverage of wheels and tires; (2) Are
						  constructed of substantial materials; (3) Are securely attached to the fenders;
						  (4) Have all edges rolled to eliminate sharp or jagged edges; (5) Do not
						  contact tires during different vehicle attitudes.
A. (1) Fender has tears, sharp or jagged edges. (2)
						  Fender is not securely attached to vehicle. (3) Fender does not extend outward
						  enough to cover the top of the wheel band tire. (4) The rear of the rearmost
						  fenders do not extend downward to the horizontal centerline of the wheel. (5)
						  Front of all fenders do not extend forward from the vertical centerline of the
						  wheel to at least a 45-degree angle of the horizontal centerline. (6) Fender is
						  missing. (7) The vehicle is not equipped with flaps behind the rearmost wheels
						  when required.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.05 - Safety Standards for Trailers › Section 11.14.05.10 - Electrical System

Current through Register Vol. 51, No. 14, July 12, 2024
To save time, the inspector should develop his own plan or
				  sequence for inspecting miscellaneous electrical items, many of which can be
				  inspected while inspecting other items.
Procedures:
Reject Vehicle If:
A. Inspect Electrical System:
(1) Wiring
						  shall be well insulated.
A. (1) Wiring: (a) Insulation is bare, cracked, or
						  broken. (b) Shows evidence of burning or short-circuiting.
(2) Connections shall be tight and secure.
(2) Connections are loose or show signs of excessive
						  corrosion.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.05 - Safety Standards for Trailers › Section 11.14.05.11 - Load Covers

Current through Register Vol. 51, No. 14, July 12, 2024
A. This
				regulation does not apply to a:
(1) Class G
				(trailer) vehicle registered or capable of being registered under
				Transportation Article, §
										13-927, Annotated Code
				of Maryland, provided no part of the load is within 6 inches of the top of any
				of the enclosures the load touches;
(2) Construction vehicle working within the
				confines of a public works construction work project site as outlined in the
				construction project's plans and specifications, provided the distance traveled
				does not exceed 1 mile or the distance specified in an extension granted by the
				Maryland Department of Transportation;
(3) Construction vehicle or mining equipment
				while crossing a highway between construction or mining sites; or
(4) Vehicle, within the Port of Baltimore for
				a distance not to exceed 1 mile, carrying a load of loose material between a
				stockpile or storage facility and a vessel docked at the Port.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.06 - Emissions Equipment Standards › Section 11.14.06.01 - Applicability

Current through Register Vol. 51, No. 14, July 12, 2024
The standards, requirements, and procedures set forth in this
				  chapter are applicable to equipment originally installed by a vehicle
				  manufacturer or required by federal or State requirements on all vehicles
				  designated as a 1968 or newer model year. Each vehicle has an emissions label
				  in the engine compartment which indicates the emissions equipment originally
				  installed on the vehicle. If the label is not present, refer to an emissions
				  control application guide.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.06 - Emissions Equipment Standards › Section 11.14.06.02 - Catalytic Converter

Current through Register Vol. 51, No. 14, July 12, 2024
A. Most
				1975 and newer passenger cars and 1975 through 1978 light-duty trucks with a
				manufacturer's GVW of 6,000 pounds or less were originally equipped with a
				catalytic converter. Some passenger cars were not originally equipped with a
				converter until later model years, and 1979 and newer light-duty trucks with a
				manufacturer's GVW of 8,501 pounds or more may not have been originally
				equipped with a catalytic converter.
B. U.S. Environmental Protection Agency
				Program for Converter Replacement.
(1) If a
				vehicle is less than 5 model years old and has been driven less than 50,000
				miles, any catalytic converter shall be replaced with OEM equipment.
(2) If a vehicle is more than 5 model years
				old or has been driven more than 50,000 miles, an EPA-approved new after market
				catalytic converter designed for the vehicle may be installed on the vehicle.
				An approved, reconditioned (used) catalytic converter may be installed provided
				the catalytic converter is an original type for the vehicle and has been
				certified by an EPA-approved testing facility.
Procedures:
Reject Vehicle If:
(a) Inspect for presence of a proper catalytic
						  converter.
(a) Catalytic converter is required and is missing or
						  replaced with an unapproved catalytic converter.
(b) Inspect for presence and condition of original air
						  tubing from the engine to the converter.
(b) The original air tubing is missing, disconnected, or
						  restricted.
(c) Inspect for location of the catalytic converter.
(c) Catalytic converter is not installed in the original
						  location in the exhaust system.
(d) Inspect vehicle for exhaust systems
						  modifications.
(d) Dual exhausts have been installed on the vehicle and
						  dual exhausts were not originally available from the vehicle manufacturer.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.06 - Emissions Equipment Standards › Section 11.14.06.03 - Fuel Filler Inlet Restrictor (INRES)

Current through Register Vol. 51, No. 14, July 12, 2024
A. Vehicles originally equipped with a
				catalytic converter were also equipped with a fuel filler inlet restrictor to
				prevent the entry of a leaded fuel pump nozzle.
B. Some later model light-duty trucks were
				not equipped with a catalytic converter but were equipped with a fuel filler
				inlet restrictor. The fuel filler inlet restrictor is required on these
				vehicles.
Procedures:
Reject Vehicle If:
(1) Inspect for presence of fuel filler inlet
						  restrictor.
(1) Fuel filler inlet restrictor is required and is
						  missing.
(2) Inspect for condition of fuel filler inlet
						  restrictor.
(2) Inside diameter of fuel filler inlet restrictor is
						  larger than 0.950 inch.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.06 - Emissions Equipment Standards › Section 11.14.06.04 - Positive Crankcase Ventilation System (PCV)

Current through Register Vol. 51, No. 14, July 12, 2024
A. All 1968 and newer passenger cars and 1968
				through 1978 light-duty trucks with a manufacturer's GVW of 6,000 pounds or
				less, and 1979 and newer light-duty trucks with a manufacturer's GVW of 8,500
				pounds or less are equipped with a crankcase ventilation system.
B. Early model vehicles may be equipped with
				an open crankcase ventilation system where air is drawn in through the oil
				filler tube. Later model vehicles are equipped with a closed crankcase
				ventilation system where air is drawn in through the carburetor air cleaner. On
				this type system, the oil filler cap is sealed.
Procedures:
Reject Vehicle If:
(1) Inspect for presence of the positive crankcase
						  ventilation system.
(1) Positive crankcase ventilation system is required and
						  any part is missing.
(2) Inspect for presence and condition of positive
						  crankcase ventilation system hoses, tubing, and connections.
(2) Hoses, tubing, or connections are missing,
						  disconnected, cracked, plugged, leaking, or improperly connected.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.06 - Emissions Equipment Standards › Section 11.14.06.05 - Air Injection System (AIS)

Current through Register Vol. 51, No. 14, July 12, 2024
A. Many 1968 and newer model vehicles are
				equipped with an air injection system which supplies air to the exhaust ports
				to extend the combustion process in the exhaust system. The system may be
				equipped with an external air pump. The pulse, aspirator, suction, or reed
				injection systems are not equipped with an air pump. Newer model vehicles may
				be equipped with an air pump which supplies air directly to the catalytic
				converter.
Procedures:
Reject Vehicle If:
(1) Inspect for presence of air injection system.
(1) Air injection system is required and any part is
						  missing.
(2) Inspect for condition of air injection system.
(2) Hoses, pipes, tubing, fittings, manifolds, or valves
						  are disconnected, plugged, crimped, cracked, leaking, or improperly
						  connected.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.06 - Emissions Equipment Standards › Section 11.14.06.06 - Exhaust Gas Recirculation System (EGR)

Current through Register Vol. 51, No. 14, July 12, 2024
A. Most 1973 and later model vehicles are
				equipped with an exhaust gas recirculation system to recirculate proper amounts
				of exhaust gases into the air/fuel mixture in the intake manifold. This
				recirculation into the manifold reduces combustion temperatures, thus reducing
				oxides of nitrogen (NOx). There are several types of EGR systems: a back
				pressure system which operates in conjunction with exhaust back pressure, a
				conventional system which operates on carburetor venturi vacuum, an
				electronically controlled system which operates from the engine computerized
				emissions control system, or a floor jet system which operates through jets in
				the floor of the intake manifold.
Procedures:
Reject Vehicle If:
(1) Inspect for presence of exhaust gas recirculation
						  system.
(1) Exhaust gas recirculation system is required and any
						  part is missing.
(2) Inspect for condition of exhaust gas recirculation
						  system.
(2) Hoses, pipes, tubing, valves, or jets are damaged,
						  disconnected, plugged, cracked, leaking, or improperly connected.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.06 - Emissions Equipment Standards › Section 11.14.06.07 - Evaporative Emissions System (EVP)

Current through Register Vol. 51, No. 14, July 12, 2024
A. Most 1971 and newer vehicles and some
				older models are equipped with an evaporative emissions system to collect and
				store gasoline vapors and gasoline from the carburetor and fuel system during
				engine operation or shut down. The vapors are collected and stored in a
				canister containing a charcoal filter and gasoline is returned to the fuel
				tank. The vapors are purged from the canister and drawn into the engine when
				the engine is started. A pressure vacuum gas cap is essential to the proper
				operation of this system.
Procedures:
Reject Vehicle If:
(1) Inspect for presence of evaporative emissions
						  system.
(1) Evaporative emissions system is required and any part
						  is missing.
(2) Inspect for condition of evaporative emissions
						  system.
(2) Hoses, pipes, tubing, valves, or connections are
						  plugged, cracked, leaking, or disconnected or gas cap is not the proper
						  type.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.01 - Promulgation of Regulations for Maximum Sound Level Limits

Current through Register Vol. 51, No. 14, July 12, 2024
A. The Transportation Article, §
									22-601, Annotated Code
				of Maryland, authorizes the Administrator, by regulation, to adopt maximum
				sound level limits for motor vehicles operated on the highways of the
				State.
B. The Transportation
				Article, §
									22-603, Annotated Code
				of Maryland, authorizes the Administrator and the Maryland State Police to
				jointly promulgate regulations for the administration and enforcement of the
				maximum sound level limits for motor vehicles operated on the public highways
				of the State.
C. The Transportation
				Article, §
									22-604, Annotated Code
				of Maryland, authorizes the Administrator to adopt regulations establishing
				maximum sound level limits for new motor vehicles sold, offered for sale,
				distributed, or leased in the State.
D. The Transportation Article, §
									22-607, Annotated Code
				of Maryland, authorizes the Administrator to adopt regulations for the
				administration and enforcement of the limits established under Transportation
				Article, §
									22-605, Annotated Code
				of Maryland.
E. The Transportation
				Article, §
									22-608, Annotated Code
				of Maryland, authorizes the Administrator to adopt regulations for the
				certification of new vehicles to be sold, offered for sale, distributed, or
				leased in the State.
F. The
				Transportation Article, §
									22-610, Annotated Code
				of Maryland, authorizes the Administrator to adopt regulations for
				certification of exhaust mufflers, intake mufflers, and other noise abatement
				devices sold in this State.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.02 - Definitions

Current through Register Vol. 51, No. 14, July 12, 2024
A. In this chapter,
				the following terms have the meanings indicated.
B. Terms Defined.
(1) "dB(A)" means the accepted abbreviation
				for A-weighted sound level in decibels.
(2) "GCWR" means gross combination weight
				rating.
(3) "GVWR" means gross
				vehicle weight rating.
(4) "Ground
				cover" means any various low, dense growing plants, such as ivy, myrtle, low
				weeds, or brush.
(5) "Hard test
				site" means any test site having the ground surface covered with concrete,
				asphalt, packed dirt, gravel, or similar reflective material for more than 1/2
				the distance between the microphone target point and the microphone location
				point.
(6) Highway.
(a) "Highway" has the meaning stated in
				Transportation Article, §
											11-127, Annotated Code
				of Maryland.
(b) "Highway" includes
				any road owned by or under the control of the State or any of its political
				subdivisions that is open to vehicular traffic and used by the public in
				general.
(7) "ISO" means
				the International Organization for Standardization.
(8) "Lmax" means maximum sound level
				measurement.
(9) "SAE" means
				Society of Automotive Engineers, Inc., or its successor bodies.
(10) "Soft test site" means any test site
				having the ground surface covered with grass, other ground cover, or similar
				absorptive material for 1/2 or more of the distance between the microphone
				target and the microphone location point.
(11) "Sound level" means the A-weighted sound
				level obtained by the use of fast meter response and A-weighting characteristic
				specified in American National Standard S1.4-1971 "Specification for Sound
				Level Meters."
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.03 - Applicability

Current through Register Vol. 51, No. 14, July 12, 2024
A. Noise
				Measurement. Regulations .04 through .12 apply to the measurement of noise of
				any:
(1) Motor vehicle while in
				motion;
(2) Stationary motor
				vehicle equipped with an engine governor; and
(3) Stationary motor vehicle without an
				engine governor.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.04 - Noise Limits for Vehicles

Current through Register Vol. 51, No. 14, July 12, 2024
A person may not operate or permit to be driven on a highway
				  of this State any motor vehicle or combination of vehicles at any time or at
				  any speed, under any conditions of grade, load, acceleration, or deceleration
				  in a manner which would exceed the sound level limits specified in Table 1, 2,
				  or 3 for the category of vehicle. Measurements shall be made in accordance with
				  the procedures and measuring device specifications adopted by the
				  Administrator. Sound level limits are based on the use of the A-weighting
				  network and fast Lmax meter response.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.05 - Standard Measurement Site for Highway Operation of all Vehicles over 10,000 Pounds GVWR and GCWR

Current through Register Vol. 51, No. 14, July 12, 2024
A. Moving
				Vehicle Measurement Procedures.
(1)
				Measurement shall be made at a measurement site which is adjacent to, and
				includes, a portion of a traveled lane of a public highway. A microphone target
				point shall be established on the centerline of the traveled lane of the
				highway and a microphone location point shall be established on the ground
				surface 50 feet (15.2m) from the microphone target point. Within the site is a
				triangular measurement area. A plan view diagram of a standard site, having an
				open site within a 50 foot radius (15.2m) of both the microphone target point
				and the microphone location point, is shown in Figure 1.
(2) The sound level generated by the motor
				vehicle is the highest reading observed on the sound level measurement system
				as the vehicle passes through the measurement site. The sound level of the
				vehicle being measured shall be observed to rise at least 6 dB(A) before the
				maximum sound level occurs and to fall at least 6 dB(A) after the maximum sound
				level occurs.
(3) Standard
				Measurement Site Highway Operations.
Figure 1.
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Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.06 - Measurement Site Stationary Operation - Other Vehicles

Current through Register Vol. 51, No. 14, July 12, 2024
A. 10,000 Pounds or Less GCWF or GCWR. The
				same procedures as described in Regulation .05B of this chapter are
				used.
B. Motorcycle. The same
				procedures as described in Regulation .05B of this chapter are used.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.07 - Non-Standard Site Highway Operation for All Vehicles over 10,000 Pounds GVWR or GCWR

Current through Register Vol. 51, No. 14, July 12, 2024
A. If the
				distance between the microphone location point and the microphone target point
				is a distance other than 50 feet (15.2m), this same distance will be used for
				the radius of the microphone location point and the microphone target point.
				The measurement site will be the area within both radii. See Figure
				3.
B. Non-Standard Measurement Site
				Highway Operations.
Figure 3.
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Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.08 - Site Requirements: Highway Operation for All Vehicles over 10,000 Pounds GVWR or GCWR

Current through Register Vol. 51, No. 14, July 12, 2024
A. Measurement
				Site.
(1) The measurement site shall be an
				open site, essentially free of large sound reflecting objects and not closer
				than 200 feet between the microphone target point and a tunnel or
				underpass.
(2) The following
				objects may be within the site including the triangular measurement area:
(a) Small cylindrical objects such as fire
				hydrants or telephone or utility poles;
(b) Rural mailboxes;
(c) Traffic railing of any type of
				construction except solid concrete barriers; and
(d) One or more curbs or surfaces having a
				vertical height of 1 foot (.3m) or less.
(3) The following objects may be within the
				measurement site if they are outside of the triangular measurement area of the
				site:
(a) Any vertical surface (such as
				billboards), regardless of size, having a lower edge more than 15 feet (4.6m)
				higher than the surface of the traveled lane of the highway.
(b) Any uniformly smooth sloping surfaces
				slanting away from the vehicle (such as a rise in grade alongside the highway)
				with a slope that is less than 45 degrees above the horizontal. See Figure 4.
Figure 4.
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(c) Any surface slanting away from the
				vehicle that is 45 degrees or more and not more than 90 degrees above the
				horizontal, if all points on the surface are more than 15 feet (4.6m) above the
				surface of the traveled lane of the highway. See Figure 5.
Figure 5.
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(d) Any standing water.
(e) The operator, a witness, or trainee. The
				operator, witness, or trainee shall be positioned behind the microphone but no
				closer than two feet to the microphone.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.09 - Site Requirements Stationary Tests - Other Vehicles

Current through Register Vol. 51, No. 14, July 12, 2024
A. 10,000 Pounds or Less GVWR or GCWR. The
				same procedures as described in Regulation .05B of this chapter are
				used.
B. Motorcycles. The same
				procedures as described in Regulation .05B of this chapter are used.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.10 - Sound Level Measurement Equipment

Current through Register Vol. 51, No. 14, July 12, 2024
A. Sound Level Meter. A precision sound level
				meter meeting all the requirements of American National Standards Specification
				for Sound Level Meters ANSI S1.4-1971, or later revision, for a type 1 or a
				type S-1A instrument shall be used. The sound level meter shall be calibrated
				and certified annually with a method traceable to the U.S. National Bureau of
				Standards to verify its performance within design tolerances.
B. Acoustical Calibrator.
(1) An acoustical calibrator of the
				microphone coupler-type shall be used for calibration of the sound level meter.
				The frequency of the calibration signal shall be 1000 Hz, ±5
				percent.
(2) The calibrator shall
				be adjusted and certified annually with a method traceable to the U.S. National
				Bureau of Standards to verify its correct performance within ±0.5
				dB.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.11 - Sound Level Equipment Operation for Measuring Vehicle Noise

Current through Register Vol. 51, No. 14, July 12, 2024
A. The microphone
				of a sound level measurement system for all moving vehicle measurements for
				vehicles over 10,000 pounds GVWR and GCWR shall be located at a height of not
				less than 2 feet (.6m) or more than 6 feet (1.8m) above the plane of the
				roadway surface and not less than 3-1/2 feet (1.1m) above the surface on which
				the microphone stands. The preferred microphone height on flat terrain is 4
				feet (1.2m).
B. Stationary Vehicle
				Measurements for All Vehicles.
(1) 10,000 or
				less GVWR or GCWR. The same procedures as described in Regulation .05B of this
				chapter are used.
(2) Motorcycles.
				The same procedure as described in Regulation .05B of this chapter are
				used.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.12 - Records

Current through Register Vol. 51, No. 14, July 12, 2024
A. The operator
				shall keep written and signed records on prescribed forms.
B. The forms shall include at least the
				following:
(1) Location of measurement site
				and posted speed, if applicable;
(2) Date and time of day of the
				measurements;
(3) Name of operator
				making the measurements;
(4)
				Identifying numbers of measurement equipment; and
(5) For every violation observed, a
				description of vehicle, the lane of operation (except for stationary vehicle
				measurements), the sound level reading as defined in this chapter, the maximum
				permitted sound level, the time, the enforcement action taken if any, wind
				speed, calibration times, and any other information deemed necessary.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.13 - Sound Level Limits

Current through Register Vol. 51, No. 14, July 12, 2024
A. A
				person may not sell, offer for sale, distribute, or lease a new motor vehicle
				that produces a sound level that exceeds the sound level limit specified in
				Table 5 for the category of vehicle when measured under the moving vehicle test
				site procedures established by Regulation .14 of this chapter. Compliance with
				the sound level limits established in this chapter may not be construed as
				limiting or precluding the enforcement of other regulations establishing
				maximum sound levels under approved test procedures.
B. Table 5.
Moving Vehicle Test Site Sound Level
						  Limits.
Type of Vehicle
Sound Level Limits
(1) Any vehicle with a GVWR or GCWR of over 10,000 pounds
						  manufactured after:
July 1, 1975
83 dB(A)
January 1, 1982
83 dB(A)
January 1, 1988
80 dB(A)
(2) Any street motorcycle manufactured after:
July 1, 1975
83 dB(A)
January 1, 1982
83 dB(A)
January 1, 1988
80 dB(A)
(3) Any other vehicle with a GVWR or GCWR of 10,000
						  pounds or less manufactured after:
July 1, 1975
80 dB(A)
January 1, 1982
80 dB(A)
January 1, 1988
80 dB(A)
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.14 - New Motor Vehicles

Current through Register Vol. 51, No. 14, July 12, 2024
A. All
				moving vehicle tests shall be conducted in accordance with the recommended
				practices referenced in §§B, C, and D of this regulation. All
				stationary vehicle tests shall be in accordance with the recommended practices
				of ISO 5130 1982 E.
B. The maximum
				sound emission test procedure for vehicles having a GVWR GCWR in excess of
				10,000 pounds shall be that contained in the SAE Standard J986b, Exterior Sound
				Level for Heavy Trucks and Buses, except buses with automatic transmissions
				that cannot be manually held in gear. These vehicles shall be tested according
				to a modified J366 test which results in achieving the transmission shift from
				1st to 2nd gear in the end zone during wide open throttle acceleration from a
				standing start.
C. For 1983 and
				subsequent model year street motorcycles manufactured after December 31, 1982,
				the test shall be that contained in Appendix I Subparts D and E, Title 40 of
				the Code of Federal Regulations Part 205 ( 40 CFR 205 ).
D. The maximum sound emission test procedure
				for vehicles having a GVWR or GCWR of 10,000 pounds or less shall be that
				contained in SAE Standard J876b, Sound Level for Passenger Cars and Light
				Trucks.
E. Deviation from ISO and
				SAE Standards and Practices.
(1) The
				Administration considers ISO 5130 1982 E and SAE standards and recommended
				practices to contain minimum requirements. In conducting tests in compliance
				with these procedures, the Administration may deviate from the literal
				requirements when it appears that the integrity of the test methods can be
				better preserved.
(2) Using
				instrumentation having greater precision or adding additional equipment to
				provide more accuracy in determining test conditions, and reducing the presence
				of objects in the test zone are examples of deviations from the referenced
				texts.
(3) The appendices attached
				to the referenced texts contain recommended sound level limits that are not
				appropriate to this regulation and are therefore deleted.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.07 - Noise Abatement Program › Section 11.14.07.15 - Manufacturer's Certification

Current through Register Vol. 51, No. 14, July 12, 2024
A. Each
				vehicle manufacturer or distributor of vehicles of a type subject to this
				chapter, that are to be sold or distributed in this State, shall certify to the
				Administrator that all vehicles to be sold or distributed are in compliance
				with the provisions of this chapter.
B. The certification shall be:
(1) Filed annually;
(2) Filed before the date of introduction of
				a new model; and
(3) Accompanied by
				a list of models of the same model year that are available outside of this
				State that do not comply with the provisions of this chapter.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.08 - Vehicle Emissions Inspection Program › Section 11.14.08.01 - Scope and Applicability

Current through Register Vol. 51, No. 14, July 12, 2024
A. Scope. The
				Vehicle Emissions Inspection Program requires all subject vehicles to be
				inspected biennially as scheduled by the Administration.
B. Applicability.
(1) Unless exempt under Regulation .04 of
				this chapter, a vehicle is subject to the provisions of this chapter if it is:
(a) Registered within the emissions
				inspection area;
(b) Owned or
				leased by a federal, State, or local government, and assigned and operated
				within the emissions inspection area for more than 60 days in a calendar year;
				or
(c) Owned or leased by an
				employee of the federal government, and operated on any property or facility
				owned by the federal government within the emissions inspection area for more
				than 60 days in a calendar year.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.08 - Vehicle Emissions Inspection Program › Section 11.14.08.02 - Incorporation by Reference

Current through Register Vol. 51, No. 14, July 12, 2024
In this chapter, the following documents are incorporated by
				  reference:
A. Clean Air Act,
				42 U.S.C §
										7521, §
									7541, and §
									7545, as amended;
B.
									40 CFR §
										85.1902(d), as
				amended;
C.
									40 CFR §
										85.2207, as amended;
D.
									40 CFR §
										85.2222, as amended;
E.
									40 CFR §
										85.2231, as amended;
F. 40 CFR Part 51, Subpart S, as amended;
				and
G.
									42 U.S.C. §
										9902(2), as
				amended.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.08 - Vehicle Emissions Inspection Program › Section 11.14.08.04 - Exemptions

Current through Register Vol. 51, No. 14, July 12, 2024
A. The vehicles
				in §B of this regulation are exempt from the provisions of this
				chapter.
B. Exempt vehicles include
				the following vehicles:
(1) A zero-emission
				vehicle;
(2) A fire or rescue
				apparatus or ambulance, owned or leased by a state or local government, by a
				rescue squad, or by a volunteer fire or ambulance company, registered as an
				emergency vehicle as defined in Transportation Article, §
										11-118, Annotated Code
				of Maryland;
(3) A vehicle
				registered as a Class D motorcycle;
(4) A vehicle registered as a Class E truck with a
				registered gross vehicle weight greater than 26,000 pounds;
(5) A vehicle registered as a Class E farm
				truck;
(6) A vehicle registered as
				a Class F truck tractor;
(7) A
				vehicle registered as a Class F farm truck tractor;
(8) A vehicle registered as a Class H school
				vehicle;
(9) A vehicle registered
				as a Class K farm area vehicle;
(10) A vehicle registered as a Class L historic
				vehicle;
(11) A vehicle registered
				as a Class N street rod vehicle;
(12) A vehicle registered as a Class P passenger
				bus;
(13) A vehicle registered as a
				Class R low speed vehicle;
(14) A
				vehicle powered solely by electricity or diesel fuel;
(15) A vehicle with a gross vehicle weight of 8,500
				pounds or less and of model year earlier than 1996; or
(16) A military vehicle owned by the federal
				government and used for tactical, combat, or relief operations, or for training
				for these operations.
Code of Maryland Regulations › Title 11 - DEPARTMENT OF TRANSPORTATION › Subtitle 14 - MOTOR VEHICLE ADMINISTRATION-VEHICLE INSPECTIONS › Chapter 11.14.08 - Vehicle Emissions Inspection Program › Section 11.14.08.05 - Schedule of the Program

Current through Register Vol. 51, No. 14, July 12, 2024
A. The owner of
				a nonexempt vehicle shall present the vehicle for a biennial inspection as
				scheduled by the Administration.
B.
				Schedule for Vehicle Inspection.
(1) The
				Administration shall assign each vehicle required to be inspected a date of
				scheduled inspection for each inspection cycle, and shall send a notice to the
				vehicle owner before the assigned date.
(2) A vehicle owner shall present the vehicle
				for a scheduled inspection after receipt of notification, but not later than
				the date of scheduled inspection.
(3) Unscheduled Inspection.
(a) A new resident of Maryland who owns a
				vehicle for which a date of scheduled inspection has not been established by
				the Administration, and who chooses to have the vehicle inspected before
				titling and registration of the vehicle, may present the vehicle for inspection
				without notification, and the date the vehicle is initially inspected becomes
				the date of scheduled inspection.
(b) An existing resident who wishes to change
				a date of a scheduled inspection may request that the Administration change the
				scheduled date.
(c) The
				Administration shall have sole discretion in granting a request under
				§B(3)(b) of this regulation.
(d) A vehicle that is registered out-of-State
				or a federal government vehicle may be presented for inspection as required by
				the state or the federal government, and an unscheduled inspection will be
				performed.
(4) New
				Vehicles.
For a vehicle that has not been previously titled or
				  registered in any jurisdiction and for which the ownership document is a
				  manufacturer's certificate of origin, the Administration shall assign a date of
				  scheduled inspection which is at least 72 months after the model year of the
				  vehicle.
(5) Change of
				Address.
(a) Transportation Article, §
											13-414, Annotated Code
				of Maryland, requires the owner of a vehicle to notify the Administration of a
				change of address within 30 days of the change. For purposes of this
				subsection, the term "address" means the bona fide domicile of the vehicle
				owner, as defined in COMAR 11.11.06.
(b) If a vehicle owner moves from an address
				outside of the emissions inspection area to an address within the emissions
				inspection area, the Administration shall establish a date of scheduled
				inspection.
(6) Transfer
				of Ownership. If a vehicle undergoes transfer of ownership within the emissions
				inspection area, the Administration shall establish a date of scheduled
				inspection upon vehicle registration.
(7) Out-of-State Vehicles. Unless otherwise
				exempt, a vehicle which has been previously titled or registered in a
				jurisdiction outside Maryland shall be assigned a date of scheduled inspection
				upon registration in the emissions inspection area.