23 CFR Appendix B to Part 658: Appendix B to Part 658—Grandfathered Semitrailer Lengths

State Feet and inches

Alabama 53-6

Alaska 48-0

Arizona 57-6

Arkansas 53-6

California 1 48-0

Colorado 57-4

Connecticut 48-0

Delaware 53-0

District of Columbia 48-0

Florida 48-0

Georgia 48-0

Hawaii 48-0

Idaho 48-0

Illinois 53-0

Indiana 2 48-6

Iowa 53-0

Kansas 57-6

Kentucky 53-0

Louisiana 59-6

Maine 48-0

Maryland 48-0

Massachusetts 48-0

Michigan 48-0

Minnesota 48-0

Mississippi 53-0

Missouri 53-0

Montana 53-0

Nebraska 53-0

Nevada 53-0

New Hampshire 48-0

New Jersey 48-0

New Mexico 57-6

New York 48-0

North Carolina 48-0

North Dakota 53-0

Ohio 53-0

Oklahoma 59-6

Oregon 53-0

Pennsylvania 53-0

Puerto Rico 48-0

Rhode Island 48-6

South Carolina 48-0

South Dakota 53-0

Tennessee 50-0

Texas 59-0

Utah 48-0

Vermont 48-0

Virginia 48-0

Washington 48-0

West Virginia 48-0

Wisconsin 3 48-0

Wyoming 57-4

1 Semitrailers up to 53 feet may also operate without a permit by conforming to a kingpin-to-rearmost axle distance of 38 feet. Semitrailers that are consistent with 23 CFR 658.13(g) may operate without a permit provided the distance from the kingpin to the center of the rear axle is 46 feet or less.

2 Semitrailers up to 53 feet in length may operate without a permit by conforming to a kingpin-to-rearmost axle distance of 40 feet 6 inches. Semitrailers that are consistent with 23 CFR 658.13(g) may operate without a permit provided the distance from the kingpin to the center of the rear axle is 46 feet or less.

3 Semitrailers up to 53 feet in length may operate without a permit by conforming to a kingpin-to-rear axle distance of 41 feet, measured to the center of the rear tandem assembly. Semitrailers that are consistent with 23 CFR 658.13(g) may operate without a permit provided the distance from the kingpin to the center of the rear axle is 46 feet or less.