23 CFR Subchapter G - SUBCHAPTER G—ENGINEERING AND TRAFFIC OPERATIONS

  1. PART 620—ENGINEERING (§§ 620.101 - 620.203)
  2. PART 625—DESIGN STANDARDS FOR HIGHWAYS (§§ 625.1 - 625.4)
  3. PART 626—PAVEMENT POLICY (§§ 626.1 - 626.3)
  4. PART 627—VALUE ENGINEERING (§§ 627.1 - 627.9)
  5. PART 630—PRECONSTRUCTION PROCEDURES (§§ 630.102 - 630.1110)
  6. PART 633—REQUIRED CONTRACT PROVISIONS (§§ 633.101 - 633.211)
  7. PART 635—CONSTRUCTION AND MAINTENANCE (§§ 635.101 - 635.606)
  8. PART 636—DESIGN-BUILD CONTRACTING (§§ 636.101 - 636.514)
  9. PART 637—CONSTRUCTION INSPECTION AND APPROVAL (§§ 637.201 - 637.209)
  10. PART 645—UTILITIES (§§ 645.101 - 645.309)
  11. PART 646—RAILROADS (§§ 646.101 - 646.220)
  12. PART 650—BRIDGES, STRUCTURES, AND HYDRAULICS (§§ 650.101 - 650.809)
  13. PART 652 [RESERVED]
  14. PART 655—TRAFFIC OPERATIONS (§§ 655.601 - 655.607)
  15. PART 656—CARPOOL AND VANPOOL PROJECTS (§§ 656.1 - 656.7)
  16. PART 657—CERTIFICATION OF SIZE AND WEIGHT ENFORCEMENT (§§ 657.1 - 657.21)
  17. PART 658—TRUCK SIZE AND WEIGHT, ROUTE DESIGNATIONS—LENGTH, WIDTH AND WEIGHT LIMITATIONS (§§ 658.1 - 658.23)
  18. PART 660—SPECIAL PROGRAMS (DIRECT FEDERAL) (§§ 660.101 - 660.519)
  19. PART 661—INDIAN RESERVATION ROAD BRIDGE PROGRAM (§§ 661.1 - 661.59)
  20. PART 667—PERIODIC EVALUATION OF FACILITIES REPEATEDLY REQUIRING REPAIR AND RECONSTRUCTION DUE TO EMERGENCY EVENTS (§§ 667.1 - 667.9)
  21. PART 668—EMERGENCY RELIEF PROGRAM (§§ 668.101 - 668.215)
  22. PART 669—ENFORCEMENT OF HEAVY VEHICLE USE TAX (§§ 669.1 - 669.21)
  23. PART 680—NATIONAL ELECTRIC VEHICLE INFRASTRUCTURE STANDARDS AND REQUIREMENTS (§§ 680.100 - 680.118)