Bike lanes in SF: https://www.google.se/search?q=bike+lanes+SF&safe=off&client=firefox-b-ab&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiYwp75stTOAhWFiiwKHcPGA1IQ_AUIC

Bike lanes in SF: https://www.google.se/search?q=bike+lanes+SF&safe=off&client=firefox-b-ab&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiYwp75stTOAhWFiiwKHcPGA1IQ_AUICSgC&biw=2048&bih=1043 https://www.google.se/search?q=bike+lanes+SF&safe=off&client... Bike lanes in Stockholm: https://www.google.se/search?q=bike+lanes+stockholm&safe=off&client=firefox-b-ab&biw=2048&bih=1043&tbm=isch&source=lnms&sa=X&ved=0ahUKEwiu5YLostTOAhVJGCwKHQq5BNMQ_AUIBygC https://www.google.se/search?q=bike+lanes+stockholm&safe=off... Bike lanes in Amsterdam: https://www.google.se/search?q=bike+lanes+amsterdam&safe=off&client=firefox-b-ab&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiDjI6Xs9TOAhUGkiwKHdR_A4cQ_AUICCgB&biw=2048&bih=1043 https://www.google.se/search?q=bike+lanes+amsterdam&safe=off... I guess SF / USA have something to learn from Europeans and that is to build some shit between the bike lane and the car lane. Let it be cones, rails or whatever just not a painted line.