Road signs / warning
Stop ahead sign: meaning and response
What it means
A stop-controlled location is ahead.
On the road
Prepare to reduce speed and make the required stop at the control point.
Alberta Driver’s Guide: Cars and light trucks, Spring 2026, p. 33 · Chapter 2: Traffic control
Original, simplified study illustration. Local signs and provincial rules govern its use. Source checked October 29, 2026.