Subchapter A General Management and Administration
Subchapter B Payment Procedures
Subchapter C Civil Rights
Subchapter D National Highway Institute
Subchapter E Planning and Research
Subchapter F Transportation Infrastructure Management
Subchapter G Engineering and Traffic Operations
Subchapter H Right-of-Way and Environment
Subchapter I Public Transportation
Subchapter J Highway Safety
Subchapter K Intelligent Transportation Systems
Subchapter L Federal Lands Highways