A yellow warning sign displaying a bicycle symbol alerts you to:

Correct answer: D – A location where bicyclists may cross the roadway
Yellow bicycle-crossing signs warn that bicyclists may cross the roadway, often where a shared-use path meets a road. Scan both sides of the roadway as you approach the crossing. Be ready to respond safely if a bicyclist enters or is already within the crossing area.
Source: Colorado Driver Handbook — “Traffic Controls,” “Bicycle and Pedestrian Crossing Signs”



