Signals and road markingsQuestion 185 of 412

Must you signal when you change lanes?

  1. Only if the lane is busy
  2. Only if you pass another vehicle
  3. Yes, by law
  4. Only if a car is behind you
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Correct answer: Yes, by law

The law says you must signal every time you change lanes.

Source: Learn to Drive Smart (ICBC, 2026), Chapter 4, Rules of the road, page 54

Practice signals and road markings

Questions last reviewed: 18 October 2026