Page 33: Warning signs

Our summary · page 33

Signs like Stop ahead and Yield ahead warn you early, so you can get ready.
Yellow lights flashing on a “stop at traffic lights ahead” sign: get ready to stop, the light ahead is changing or already red.
A speed tab under a curve sign is the recommended top speed for that curve in ideal conditions.

Warning signs (continued)

Traffic regulations

Stop ahead
School bus stop ahead
Traffic control signals ahead
Stop at traffic lights ahead when yellow lights flashing

This warning sign is placed in advance of some intersections with traffic control signals. When the yellow lights are flashing, drivers approaching the intersection must prepare to stop because the traffic control signal light will be turning from green to yellow or yellow to red, or is currently red.

Turn or curve ahead

Yield ahead
Sharp turn right
Curves right
Sharp turn left
Road curves left
Road turns left/right
Winding road
Recommended maximum speed through this curve under ideal driving conditions

Page 33 of the Alberta Driver’s Guide: Warning signs.

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Reproduced from the Driver's Guide: cars and light trucks (Spring 2026), Government of Alberta.

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