Sharrows are ineffective, so why do we keep using them?

Sharrows are ineffective, so why do we keep using them?

Biking is good for your health, and it’s an effective form of transportation as well. Of course, that’s only when proper infrastructure is provided to facilitate biking as a viable form of transportation.  Across much of America, bicycle infrastructure is seriously lacking. So what do most municipalities in the US do to encourage biking? They…