This is the bike route I have in mind. (Subject to change, of course...)
The red line is the area where roads would be striped with a bike lane. The area under Bosworth St. and Highway 280 is Caltrans territory and is unsafe for biking with or without lanes. For this reason there are approaches (marked with a blue line) that will lead you through friendlier terrain. Isolated bike paths would be even better.
Here's a more detailed view of that area.-

If you REALLY want to make a difference, join the San Francisco Bicycle Coalition!

Link to San Francisco Bicycle Coalition Home Page


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