Originally Posted by Artkansas

According to the San Francisco Chronicle, his Strava app recording him as doing 35 mph at the time. The intersection was at the bottom of a steep hill.

Apparently his description of the accident was.

"The light turned yellow as I was approaching the intersection, but I was already way too committed to stop. The light turned red as I was cruising through the middle of the intersection and then, almost instantly, the southern crosswalk on Market and Castro filled up with people coming from both directions, … so, in a nutshell, blammo."