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Comment by nradov

18 hours ago

At some intersections the sensor loops literally never activate for bikes (especially carbon bikes with very little metal). If you don't run the red light then you'll be stuck there until a car happens to come along and trip the sensor for you.

Okay, that seems ultra relevant to the ~100% of bikes that routinely run red lights in San Francisco at fully trafficked intersections where the sensors are clearly already tripped.

So you dismount and cross as a pedestrian. I mostly cycle, and the lack of bike sensors at some intersections is occasionally annoying but not a reason to break the road rules.