The speed limit in any alley is:

  1. 20 mph.
  2. 15 mph. ✓
  3. 25 mph.

Answer: B. 15 mph.

The speed limit in any alley is 15 mph.

Why this is the answer

The handbook defines an alley as a road no wider than 25 feet that gives access to the rear or side entrances of buildings or properties, and states plainly that the speed limit in an alley is 15 mph. That low limit fits the tight space and the likelihood of cars, pedestrians, or obstacles near driveways and back entrances, so you should keep your speed down the whole time you are in one.

Why the other answers are wrong

Remember it

An alley is a narrow back road, so treat it like a slow zone: 15 mph, the same number as the feet you stay back from a track.

Official handbook: California Driver Handbook (DL 600), Section 7: Laws and Rules of the Road, p. 51

Explanation drafted with AI (deepseek-flash) from the official handbook passage cited above, then checked automatically and by a second model on 2026-10-23. Always confirm with the official handbook.