Originally Posted by
Mos6502
http://www.huffingtonpost.com/2012/0...n_1519881.html
"
Speaking at an event at the Commonwealth Club of California earlier this year, San Francisco Mayor Ed Lee said his office was working in a very deliberate way with SFPD to increase enforcement of vehicular safety issues at a number of problem intersections."
Maybe that's it. Or perhaps they had more recent inspiration for a crack down on red light running cyclists...

I always thought that SF was very bike friendly, especially considering the fact that geography, i.e., hills, make it harder for some to ride in SF.