Changing Lanes — Colorado Driver's License Practice Test

This Colorado Driver's License Changing Lanes practice set has 4 practice questions based on the official exam materials, each with an instant explanation. You need 80% on the real Colorado Driver's License knowledge test to pass.

Sample questions

Three questions from the Changing Lanes bank with the correct answer and an explanation. The practice quiz above draws 4 questions at random from the same bank.

1. Which maneuvers count as changing lanes?

   • Changing from one lane to another, passing another vehicle, merging from an entrance ramp, and entering the roadway from the curb or shoulder — Correct answer
   • Only moving between marked lanes on a multi-lane road
   • Only passing another vehicle on a two-lane road
   • Turning left or right at an intersection

   Explanation: Changing lanes includes changing from one lane to another, passing another vehicle, merging onto a roadway from an entrance ramp, and entering the roadway from the curb or shoulder.

   Handbook: Changing Lanes — What counts as a lane change

2. What are blind spots?

   • Areas you cannot see in your rear view or side view mirrors, slightly to the sides and rear of your vehicle — Correct answer
   • The area directly in front of your hood
   • Dark sections of the road not lit by streetlights
   • Spots on the windshield blocked by dirt or stickers

   Explanation: Blind spots are areas you cannot see in your rear view or side view mirrors, located slightly to the sides and rear of your vehicle.

   Handbook: Changing Lanes — Blind spots

3. What is the proper procedure for changing lanes?

   • Signal for at least 3 seconds or 200 feet, check traffic ahead, use mirrors for traffic behind, and look over your shoulder to check your blind spot — Correct answer
   • Check only your mirrors — turning your head is dangerous at speed
   • Signal exactly 1 second before moving and rely on other drivers to make room
   • Move over first, then signal to confirm the lane change

   Explanation: Activate your signal for a minimum of 3 seconds or 200 feet before leaving your lane; check traffic ahead, use your mirrors for traffic behind, and look over your shoulder to check your blind spot before moving over.

   Handbook: Changing Lanes — Procedure