Search Freight:

• Freight Office Home
• About Us
• Contact Us
• Subject Index

• Analysis, Data, and System Performance
  • Overview
  • Congestion
  • Cost Benefit Analysis
  • Data Sources
  • Freight Analysis Framework
  • Freight Disruptions
  • Freight Model Improvement Program
  • Freight Policy Studies
  • Information by State
  • National Stats & Maps
  • Performance Measurement
  • Regional & Industry Studies
• Infrastructure
  • Overview
  • Corridors
  • Freight Intermodal Distribution Pilot Grant Program
  • Gateways & Borders
  • National Corridor Infrastructure Improvement Program
  • National Network
  • NHS Connectors
  • Projects of National & Regional Significance
  • TIGER Grants
  • Truck Parking
• Policy, Planning, and Finance
  • Overview
  • Economics
  • Environment
  • Funding & Financing
  • National Freight Policy Framework
  • Planning
  • Policy, Legislation, & Regulations
• Professional Development
  • Overview
  • Education
  • Institution Building
  • Peer-to-Peer Program
  • Talking Freight Seminars
  • Training
• Resources
  • Overview
  • Publications
  • Freight Solutions
  • Technical Assistance
• Technology and Operations
  • Overview
  • Deployment of Best Practices
  • Productivity
  • Security
  • Urban Goods Movement
• Truck Size and Weight
  • Overview
  • Contacts in States and FHWA Division Offices
  • Federal Regulations
  • Frequently Asked Questions
  • Oversize / Overweight Load Permits

Federal Regulations

Federal Size and Weight Regulations

• 23 CFR 657
• 23 CFR 658
  • Aerodynamic Device Compliance with 23 CFR 658.16(b) (4)
• Federal Size Regulations for Commercial Motor Vehicles [HTML, PDF 1.1MB]
• Bridge Formula Weights [HTML, PDF 1.5MB]
• Bridge Formula Weights Calculator

Federal Notices and Rulemakings on Vehicle Size and Weight

• Section 1305 Truck Parking Facilities
• Commercial Vehicle Width Exclusive Devices (includes Supplementary Notice of Proposed Rulemaking and Final Rulemaking on Recreational Vehicles)
• Designation of Dromedary Equipped Truck-Tractor-Semitrailers as Specialized Equipment
• Truck Size and Weight; Technical Correction (HTML, PDF 216KB)

Federal Motor Carrier Safety Administration

• Federal Motor Carrier Safety Regulations (FMCSR)
• Disaster Relief Information for Drivers and Motor Carriers

PDF files can be viewed with the Acrobat® Reader®.