New Brunswick Knowledge Test Coach
Road signsQuestion 48 of 309

An underpass ahead sign shows a number. What does it tell you?

  1. The speed limit
  2. The length of the underpass
  3. The overhead clearance, or how high a vehicle can be
  4. The weight limit
Show answer

Correct answer: The overhead clearance, or how high a vehicle can be

The sign shows the height you can pass under. Check that your vehicle is lower than this.

Source: New Brunswick Driver's Handbook (Government of New Brunswick, 2022), 7.4 Warning signs, page 91

Practice road signs

Questions last reviewed: 18 October 2026