regulatory resources
- Texas Department of Motor Vehicles (TxDMV)
- Texas Department of Public Safety (TxDPS)
- Federal Motor Carrier Safety Administration (FMCSA)
- FMCSA Safer Web
- FMCSA Drug & Alcohol Clearinghouse
- FMCSA National Registry of Certified Medical Examiners
- FMCSA Crash Preventability Determination Program (CPDP)
- Occupational Safety and Health Administration (OSHA)
- Pipeline and Hazardous Materials Safety Administration (PHMSA)
- Texas Regulations: Applicability and Exemptions (see 4.11 and 4.12)