In a neighborhood I drive through every day the city cut off with a painted divider roughly 4 feet on each side off the road for bikes. I think as a result the

In a neighborhood I drive through every day the city cut off with a painted divider roughly 4 feet on each side off the road for bikes. I think as a result the speed I drive has decreased somewhat. Drivers adjust speed according to visual clues. The speed limit is only one factor and probably not even the most important one.