\$\$635.00A

######### Section 635.---TEMPORARY TRAFFIC CONTROL

Revised 7 March 2008

[]{.mark}

*[INCLUDE THE FOLLOWING]{.mark}*

\$\$635.02A

635.02. Delete the Construction sign panels Section reference and
substitute the following:

Construction sign panels 633.02

\$\$635.03A

635.03. Add the following:

For all signs and other devices requiring orange color, use fluorescent
orange, fluorescent red-orange or fluorescent yellow-orange color.

\$\$635.03B

635.03(i). Add the following:

> Submit a certification that the devices have been successfully crash
> tested to meet the requirements of NCHRP 350 and/or have been accepted
> by the FHWA.

# [WHEN CONSTRUCTION SIGNS ARE REQUIRED, INCLUDE THE FOLLOWING]{.mark}

\$\$635.07D

635.07. Delete the last sentence of the first paragraph and substitute
the following:

Remove or completely cover all unnecessary signs, or signs that conflict
with the construction signing or Traffic Control Plan. Cover signs that
are not removed so that no part of the covered sign is visible to
traffic. Provide sign covers for temporary signs meeting the following
requirements:

a)  Large enough to completely cover the sign.

b)  Easy to attach to and remove from the sign without damaging the sign
    face. Do not use adhesives, glues, tapes, or mechanical fasteners
    that mar the sign face.

c)  Black, non-reflective, and opaque.

d)  Made of plywood (minimum of 3/8-inches [(10 millimeters)]{.mark}
    thick), aluminum (minimum of 0.040 inches [(1 millimeter)]{.mark}
    thick), or sheet metal of a sufficient thickness that the covering
    will not be lifted, bent or damaged by wind.

e)  Durable enough to resist deterioration due to weathering and
    atmospheric conditions for the duration of the project.

*[INCLUDE THE FOLLOWING FOR HIGH LEVEL WARNING]{.mark}*

\$\$635.07A

635.07. Add the following:

Furnish 16-inch by 16-inch [(40-centimeter by 40-centimeter)]{.mark}
flags for high level warning devices that are orange or fluorescent red
orange in color.

# []{.mark}

*[INCLUDE THE FOLLOWING FOR CONCRETE BARRIERS]{.mark}*

\$\$635.11B

635.11. Add the following after the second sentence of the first
paragraph:

Use temporary barriers that meet test level *[(select appropriate test
level -- use TL-2 for speeds less than or equal to 45 mph, and use TL-3
for speeds greater that 45 mph)]{.mark}* criteria, per NCHRP Report 350
for crashworthiness standards.

\$\$635.11A

635.11. Delete the second paragraph and substitute the following:

Mount flexible plastic 6-inch by 6-inch [(15-centimeter by
15-centimeter)]{.mark} delineators with Type III or IV retroreflective
sheeting to the top of concrete barriers on 25-foot [(7.5-meter)]{.mark}
centers. Furnish white sheeting when the delineator is to the right of
traffic and yellow when to the left.

\$\$635.16A

635.16. Delete the first sentence of the first paragraph and substitute
the following:

Use a shadow vehicle (17,600 to 19,800 pound gross vehicle mass)
[(8000kg to 9000kg gross vehicle mass)]{.mark} equipped with a
truck-mounted attenuator (crash cushion) attached to the rear of the
vehicle, exterior flashing yellow dome light, and an advance warning
arrow panel.

\$\$635.17A

635.17. Add the following:

Patch the travelway after milling to provide a smooth, uniform traveling
surface before reopening travel lanes to traffic as directed by the CO.

\$\$635.19A

635.19.  Delete the first sentence of the first paragraph and substitute
the following:

Install an FHWA-approved temporary crash cushion conforming to test
level *[(select appropriate test level -- use TL-2 for speeds less than
or equal to 45 mph, and use TL-3 for speeds greater that 45
mph)]{.mark}* criteria, per NCHRP Report 350 for crashworthiness
standards.

*[INCLUDE THE FOLLOWING & 636.04A FOR TEMPORARY SIGNALS]{.mark}*

\$\$635.20A

635.20. Add the following:

Time the temporary signal system in accordance with the operating modes
listed in Subsection 636.04.