Texas CDL Study Guide
A printable summary of the Texas Commercial Motor Vehicle Drivers Handbook + federal rules.
Key Texas numbers
- Minimum age (intrastate): 18
- Minimum age (interstate): 21
- CLP hold: 14 days
- Passing percentage: 80%
- General Knowledge test: ~50 questions
Topics on the Texas General Knowledge test
- Vehicle inspection (pre-trip, en-route, post-trip)
- Driving safely (speed management, space management, hazard perception)
- Transporting cargo safely
- Air brakes (if vehicle is air-braked)
- Combination vehicles (Class A)
Free practice
Start a Texas General Knowledge quiz →
Source: Texas DPS CDL handbook dps.texas.gov