{"data":{"id":"us/23-cfr-appendix-b-to-part-658","jurisdiction":"us","citation":"23 CFR Appendix B to Part 658","heading":"Appendix B to Part 658—Grandfathered Semitrailer Lengths","body":"State Feet and inches\nAlabama 53-6\nAlaska 48-0\nArizona 57-6\nArkansas 53-6\nCalifornia 1 48-0\nColorado 57-4\nConnecticut 48-0\nDelaware 53-0\nDistrict of Columbia 48-0\nFlorida 48-0\nGeorgia 48-0\nHawaii 48-0\nIdaho 48-0\nIllinois 53-0\nIndiana 2 48-6\nIowa 53-0\nKansas 57-6\nKentucky 53-0\nLouisiana 59-6\nMaine 48-0\nMaryland 48-0\nMassachusetts 48-0\nMichigan 48-0\nMinnesota 48-0\nMississippi 53-0\nMissouri 53-0\nMontana 53-0\nNebraska 53-0\nNevada 53-0\nNew Hampshire 48-0\nNew Jersey 48-0\nNew Mexico 57-6\nNew York 48-0\nNorth Carolina 48-0\nNorth Dakota 53-0\nOhio 53-0\nOklahoma 59-6\nOregon 53-0\nPennsylvania 53-0\nPuerto Rico 48-0\nRhode Island 48-6\nSouth Carolina 48-0\nSouth Dakota 53-0\nTennessee 50-0\nTexas 59-0\nUtah 48-0\nVermont 48-0\nVirginia 48-0\nWashington 48-0\nWest Virginia 48-0\nWisconsin 3 48-0\nWyoming 57-4\n1 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.\n2 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.\n3 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.","path":["Title 23—Highways","CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER G—ENGINEERING AND TRAFFIC OPERATIONS","PART 658—TRUCK SIZE AND WEIGHT, ROUTE DESIGNATIONS—LENGTH, WIDTH AND WEIGHT LIMITATIONS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-23.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:50Z","sha256":"b954272432642a7daf5a4ce07fbe37dd02550c42d97bb658fdca289dadae59ce","source_id":"us-cfr","stale":true,"prev":"us/23-cfr-appendix-a-to-part-658","next":"us/23-cfr-appendix-c-to-part-658"},"notice":"GroundRules: Original legal text. Not legal advice."}