Shifting gears: Texas CDL practice questions

Part of the General Knowledge test. We have 8 checked questions on this topic. Here are the key rules, and two to try.

Key facts

Part ofthe General Knowledge test (80% to pass)
Handbook section§2.3 Shifting gears
Questions in CDL Mile's bank8

Key rules

  • § 2.3.1p. 2-10

    Being in the right gear before the curve lets you apply some power while turning, which helps keep the vehicle stable. It also lets you speed up as soon as you leave the curve.

    Manual Transmissions Basic Method for Shifting Up. Most heavy

  • § 2.3.1p. 2-9

    Downshift before you start down a hill, into a gear low enough to hold your speed without hard braking. That gear is usually lower than the one you would use to climb the same hill.

    Manual Transmissions Basic Method for Shifting Up. Most heavy

Try two questions

General Knowledge · Shifting gears

Your truck has a retarder, and the road ahead is wet and icy. What should you do with the retarder?

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

General Knowledge · Shifting gears

You are driving a truck with an automatic transmission down a long grade. How should you use the transmission to help control your speed?

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

More General Knowledge 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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