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