TBT Transportation has  a zero tolerance policy for any intoxicating substances.

TBT Transportation is committed to public safety and upholds a strict zero-tolerance policy on substance use. 
Drivers are strictly prohibited from consuming any intoxicating substances while providing transportation services. If you suspect your driver may be under the influence of drugs or alcohol, please request that they end the trip immediately.

 Upon ending the trip, the driver must report to the office for evaluation. A positive test result will lead to immediate removal from service. TBT Transportation regularly reviews and updates our policy to ensure the highest safety standards.

Complaints can be reported to the city of Dallas by calling 311 or 214-670-3111