Upvoted, but (11) makes sense if I read it as "get off of your bike and cross on foot, as a pedestrian". I'm not sure if that's what jwz had in mind or not, but

Upvoted, but (11) makes sense if I read it as "get off of your bike and cross on foot, as a pedestrian". I'm not sure if that's what jwz had in mind or not, but that is what I do when things get iffy. Agreed that riding on sidewalks is dangerous.