From SFBC:
Just in time for Bike to Work Day, the SF Bicycle Coalition will show you the best way to get around town quickly and safely by bike and how to fix a flat tire - the best bike maintenance skill to have.
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If AI's good enough for driverless cars, why not use it to keep trains safe too? Plus Caltrain wants you to take the train to the parade
Here are a few additional reflections and critiques specific to California's beleaguered high-speed rail project