Connecticut CDL Practice Test 2026

Practice question bank

Sample questions

1. Before a trip, you can make sure air flows to all trailers by:

   • Checking for moving air inside of each trailer.
   • Listening for air at the rear shut-off valve. ✓
   • Feeling for air at the front shut-off valve.

   Vehicle Equipment & Safe Operation · Answer: B · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 7 – Doubles and Triples, p. 108

2. When preparing to enter traffic, you should do all of the following, except:

   • Wait for a large gap between vehicles.
   • Be prepared for your vehicle to accelerate slowly, especially if it is loaded.
   • Make sure you can completely cross traffic, if necessary, without interfering with traffic.
   • Assume other drivers will make room for your much larger vehicle. ✓

   General Driving Knowledge · Answer: D · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 2 – Driving Safely, p. 46

3. With your low beam headlights turned on, you should be able to see about ____ ahead of your vehicle.

   • 15 feet
   • 75 feet
   • 100 feet
   • 250 feet ✓

   Bad Weather & Night Driving · Answer: D · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 2 – Driving Safely, p. 54

4. If you are braking on dry pavement while traveling at 55 mph, how much distance will brake lag add to your overall stopping distance?

   • 32 feet ✓
   • 45 feet
   • 20 feet

   Speed Limits & Following Distance · Answer: A · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 5 – Air Brakes, p. 88

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