A cyclist's speed is hard to predict for a driver. I believe that mandatory bicycle headlights - day and night - would help alleviate this problem. The reason b

A cyclist's speed is hard to predict for a driver. I believe that mandatory bicycle headlights - day and night - would help alleviate this problem. The reason being that the cyclist then gets picked up by a driver's peripheral vision, which would help the brain process the change of position (a.k.a. velocity) continuously.