Collections
Code of Federal Regulations
Title 23
Chapter I
Subchapter G
Engineering and Traffic Operations
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620
Engineering
624
Interstate System Access
625
Design Standards for Highways
626
Pavement Policy
627
Value Engineering
630
Preconstruction Procedures
633
[Reserved]
635
Construction and Maintenance
636
Design-Build Contracting
637
Construction Inspection and Approval
645
Utilities
646
Railroads
650
Bridges, Structures, and Hydraulics
652
[Reserved]
655
Traffic Operations
656
Carpool and Vanpool Projects
657
Certification of Size and Weight Enforcement
658
Truck Size and Weight, Route Designations—Length, Width and Weight Limitations
660
Special Programs (Direct Federal)
661
Tribal Transportation Facility Bridge Program (TTFBP)
667
Periodic Evaluation of Facilities Repeatedly Requiring Repair and Reconstruction Due to Emergency Events
668
Emergency Relief Program
669
Enforcement of Heavy Vehicle Use Tax
680
National Electric Vehicle Infrastructure Standards and Requirements