subparagraph (A) shall continue to be subject 
to all State statutes, regulations, limitations 
and conditions, including routing-specific, com-
modity-specific, and configuration-specific des-
ignations and all other restrictions, in force on 
June 1, 2008. 
‘‘(3) NEW
HIGHWAYS.—Subject to subsection 
(d)(1), the gross vehicle weight limitations and axle 
loading limitations applicable to all vehicles and 
combinations (other than longer combination vehi-
cles) on a non-Interstate segment of the National 
Highway System that is not open to traffic on June 
1, 2008, shall be the Interstate weight limit. 
‘‘(b) LISTING OF VEHICLES AND COMBINATIONS.— 
‘‘(1) IN GENERAL.—The Secretary shall initiate 
a proceeding to determine and publish a list of vehi-
cles and combinations (other than longer combina-
tion vehicles), otherwise exceeding an Interstate 
weight limit, that could be lawfully operated on a 
non-Interstate segment of the National Highway 
System on June 1, 2008. 
‘‘(2) REQUIREMENTS.—In publishing a list of 
vehicles and combinations under paragraph (1), the 
Secretary shall identify— 
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‘‘(A) the gross vehicle weight limitations 
and axle loading limitations in each State appli-
cable, on June 1, 2008, to vehicles and com-
binations (other than longer combination vehi-
cles) on non-Interstate segments of the Na-
tional Highway System; and 
‘‘(B) operations of vehicles and combina-
tions (other than longer combination vehicles), 
exceeding State gross vehicle weight limitations 
and axle loading limitations identified under 
subparagraph (A), which were in actual and 
lawful operation on a regular or periodic basis 
(including seasonal operations) on June 1, 
2008. 
‘‘(3) LIMITATION.—An operation of a vehicle or 
combination may not be included on the list pub-
lished under paragraph (1) on the basis that a State 
law or regulation could have authorized such oper-
ation at some prior date by permit or otherwise. 
‘‘(4) PUBLICATION OF FINAL LIST.—Not later 
than 270 days after the date of enactment of this 
section, the Secretary shall publish a final list of ve-
hicles and combinations described in paragraph (1). 
‘‘(5) UPDATES.—The Secretary shall update 
the list published under paragraph (1) as necessary 
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to reflect new designations made to the National 
Highway System. 
‘‘(c) APPLICABILITY OF LIMITATIONS.—The limita-
tions established by subsection (a) shall apply to any new 
designation made to the National Highway System and 
remain in effect on those non-Interstate highways that 
cease to be designated as part of the National Highway 
System. 
‘‘(d) LIMITATIONS
ON
STATUTORY
CONSTRUC-
TION.— 
‘‘(1) STATE ENFORCEMENT OF MORE RESTRIC-
TIVE WEIGHT LIMITS.—This section does not pre-
vent a State from maintaining or imposing a weight 
limitation that is more restrictive than the Interstate 
weight limit on vehicles or combinations (other than 
longer combination vehicles) operating on a non- 
Interstate segment of the National Highway System. 
‘‘(2) STATE ACTIONS TO REDUCE WEIGHT LIM-
ITS.—This section does not prevent a State from re-
ducing the State’s gross vehicle weight limitation, 
single or tandem axle weight limitations, or the over-
all maximum gross weight on 2 or more consecutive 
axles on any non-Interstate segment of the National 
Highway System. 
‘‘(e) LONGER COMBINATION VEHICLES.— 
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‘‘(1) PROHIBITION.— 
‘‘(A) IN GENERAL.—After the 270th day 
following the date of enactment of this section, 
a longer combination vehicle may continue to 
operate on a non-Interstate segment of the Na-
tional Highway System only if the operation of 
the longer combination vehicle configuration 
type was authorized by State officials pursuant 
to State statute or regulation on June 1, 2008, 
and in actual and lawful operation on a regular 
or periodic basis (including seasonal operations) 
on or before June 1, 2008. 
‘‘(B) APPLICABILITY OF STATE LAWS AND 
REGULATIONS.—All operations described in 
subparagraph (A) shall continue to be subject 
to all State statutes, regulations, limitations 
and conditions, including routing-specific, com-
modity-specific, and configuration-specific des-
ignations and all other restrictions, in force on 
June 1, 2008. 
‘‘(2) LISTING
OF
VEHICLES
AND
COMBINA-
TIONS.— 
‘‘(A) IN
GENERAL.—Not later than 60 
days after the date of enactment of this section, 
the Secretary shall initiate a proceeding to de-
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termine and publish a list of longer combination 
vehicles that could be lawfully operated on non- 
Interstate segments of the National Highway 
System on June 1, 2008. 
‘‘(B) LIMITATION.—A longer combination 
vehicle may not be included on the list pub-
lished under subparagraph (A) on the basis 
that a State law or regulation could have au-
thorized the operation of such vehicle at some 
prior date by permit or otherwise. 
‘‘(C) PUBLICATION OF FINAL LIST.—Not 
later than 270 days after the date of enactment 
of this section, the Secretary shall publish a 
final list of longer combination vehicles de-
scribed in subparagraph (A). 
‘‘(D) UPDATES.—The Secretary shall up-
date the list published under subparagraph (A) 
as necessary to reflect new designations made 
to the National Highway System. 
‘‘(3) LIMITATION
ON
STATUTORY
CONSTRUC-
TION.—This subsection does not prevent a State 
from further restricting in any manner or prohib-
iting the operation of a longer combination vehicle; 
except that such restrictions or prohibitions shall be 
consistent with the requirements of section 127 of 
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this title and sections 31112 through 31114 of title 
49, United States Code. 
‘‘(f) MODEL SCHEDULE OF FINES.— 
‘‘(1) IN GENERAL.—The Secretary, in consulta-
tion with the States, shall establish a model schedule 
of fines to be assessed for violations of this section. 
‘‘(2) PURPOSE.—The purpose of the schedule of 
fines shall be to ensure that fines are sufficient to 
deter violations of the requirements of this section 
and to permit States to recover costs associated with 
damages caused to the National Highway System by 
the operation of such vehicles. 
‘‘(3) ADOPTION
BY
STATES.—The Secretary 
shall encourage but not require States to adopt the 
schedule of fines. 
‘‘(g) DEFINITIONS.—In this section, the following 
definitions apply: 
‘‘(1) INTERSTATE
WEIGHT
LIMIT.—The term 
‘Interstate weight limit’ has the meaning given such 
term in section 127(i). 
‘‘(2) LONGER
COMBINATION
VEHICLE.—The 
term ‘longer combination vehicle’ has the meaning 
given such term in section 127(d).’’. 
(b) ENFORCEMENT
OF
REQUIREMENTS.—Section 
141(a) of title 23, United States Code, is amended— 
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(1) by striking ‘‘the Federal-aid primary sys-
tem, the Federal-aid urban system, and the Federal- 
aid secondary system, including the Interstate Sys-
tem’’ and inserting ‘‘the National Highway System, 
including the Interstate System,’’; and 
(2) by striking ‘‘section 127’’ and inserting 
‘‘sections 127 and 127a’’. 
(c) CONFORMING AMENDMENT.—The analysis for 
title 23, United States Code, is amended by inserting after 
the item relating to section 127 the following: 
‘‘127a. Vehicle weight limitations—National Highway System.’’. 
Æ 
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