Texas operating rules for commercial vehicles

Section 14.5 of the Texas CDL handbook covers Texas operating rules for commercial vehicles. It is tested on the Texas Commercial Rules test.

Key facts

Part ofthe Texas Commercial Rules test (80% to pass)
Handbook section§14.5 Operating rules
Questions in CDL Mile's bank4

Key rules

  • § 14.5p. 14-12

    Buses, school buses and placarded vehicles must stop at every railroad grade crossing. The exception is when a traffic signal or a police officer directs traffic to go ahead.

    Operating rules

Try two questions

Texas Commercial Rules · Operating rules

Texas requires a truck following another truck or vehicle to stay a certain distance back. What is the purpose of that space?

Tap an answer to see the explanation and the handbook page.

Texas Commercial Rules · Operating rules

You are about to take a loaded truck down a long grade and realize you are in too high a gear. What does Texas law require?

Tap an answer to see the explanation and the handbook page.

More Texas Commercial Rules topics

Sources

Texas Commercial Motor Vehicle Drivers Handbook (DL-7C), revised March 2026, Texas Department of Public Safety. Page references are to its printed page numbers. CDL Mile is independent and not affiliated with Texas DPS.

Updated for the March 2026 Texas CDL handbook (DL-7C). Last checked November 4, 2026.

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