| Business | Phone |
| Transportation Dept 5715 Canyon Dr, Amarillo 79110 | (806) 356-3200 |
| Transportation Dept Engineer 421 Bowie St, Amarillo 79106 | (806) 376-5255 |
| Transportation Dept Mntnc 7700 E Loop 335 N, Amarillo 79108 | (806) 383-1661 |
| Railroad Commission 7102 W Interstate 40, Amarillo 79106 | (806) 468-7486 |
| Motor Vehicle Div 5715 Canyon Dr, Amarillo 79110 | (806) 356-3334 |