| Contacts | Telephone |
| Mark Tomlinson, P.E., Director | (512) 936-0903 |
| General Information | (512) 936-0980 |
| Information Technology Director | (512) 936-0972 |
| Turnpike Planning and Development Director | (512) 936-0965 |
| Corridor Systems Director | (512) 936-0965 |
| TTC-35 Corridor Project Office | (512) 334-3800 |
| TTC-69 Corridor Project Office | (512) 334-3800 |
Physical Address
125 E. 11th St.
Austin, TX 78701-2483
Fax
(512) 936-0970