Questions and Answers about Vehicle Size and Weight
Notice: These guidances interpret Federal law and regulations governing weight limits on the interstate system and size requirements on the national network. In case of dispute, the actual law and regulations apply.
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- 23 CFR 657.15 Certification requirements
- 23 CFR 657.19 Effect of failure to certify or enforce State laws adequately, and 49 U.S.C. 31115 Failure to incorporate Federal size requirements into State laws
- 23 CFR 657.21 Procedure for reduction of funds
- 23 CFR 658.5 Definitions
- 23 CFR 658.11 Additions, deletions, exceptions and restrictions (to NN)
- 23 CFR 658.13 Length
- 23 CFR 658.13(e) Specialized equipment
- 23 CFR 658.15 Width
- 23 CFR 658.16 Exclusion from length and width determinations
- 23 CFR 658.17 Weight
- 23 CFR 658.19 Reasonable Access
- 23 CFR 658.23 LCV freeze; cargo carrying unit freeze (ISTEA freeze)
- Miscellaneous