Texas-focused CDL practice for commercial driving study.
This state page belongs to the CDL study guide as local handbook context. Use it after the national CDL topics so state rules, licensing steps, and official references do not feel disconnected from the main study path.
Use Texas references for local licensing context, then practice CDL topics such as general knowledge, air brakes, and combination vehicles.
Review Texas commercial driver references first, then practice the core CDL knowledge areas.
Use this page as a starting point for general knowledge, air brakes, combination vehicles, and endorsement review.
Texas law requires safe passing distances; due to size and wind draft, CMVs must exercise extreme caution and provide extra room when passing vulnerable road users.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
The Texas 'Move Over/Slow Down' law applies to all vehicles, including CMVs, and requires vacating the closest lane or significantly reducing speed to protect roadside workers.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
In Texas, the maximum legal height for a commercial vehicle is 14 feet. Vehicles exceeding this height require an oversize permit.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
The maximum legal gross weight for a standard 5-axle commercial vehicle combination on Texas highways is 80,000 pounds.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
Texas law requires all vehicles traveling in both directions on an undivided highway to stop for a school bus with flashing red lights and an extended stop sign.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
During daylight hours, a red flag at least 12 inches square must be attached to the extreme rear of any load extending more than 4 feet beyond the vehicle.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
At night, a load extending more than 4 feet from the rear of the vehicle must be marked with red burning lamps visible from at least 500 feet.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
Texas generally allows commercial vehicles to travel at the same posted speed limits as passenger cars on interstates, which can be 75 mph or 80 mph in rural areas.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
A CDL is required in Texas for vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001+ lbs, passenger vehicles for 16+ people, or hazmat vehicles.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
Texas law requires drivers to immediately report any crash resulting in injury, death, or property damage exceeding $1,000 to law enforcement.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
Texas does not have a separate statewide speed limit for commercial vehicles. CMVs must obey the posted speed limit. However, some segments (like SH 130) post 85 mph, making them the fastest legal roads in the U.S. Drivers must always use safe speeds for conditions.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
Texas law requires headlights to be turned on from half an hour after sunset to half an hour before sunrise, or when visibility is reduced to less than 1,000 feet.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
Fleeing police is a serious offense in Texas, resulting in severe criminal charges and the disqualification of your CDL.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
Texas has a sophisticated oversize/overweight permit system managed by TxDMV. Permitted loads must follow specific designated corridors and travel during approved time windows. Driving outside of the permitted route is a serious violation.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.
In Texas, a driver generally has 20 days from the date of notice to request a hearing to contest a license suspension.
Study focusUnderstand state-specific CDL requirements, handbook notes, and licensing context.
Common trapUsing generic CDL knowledge without checking state-specific requirements.