More than 100 cyclists pedaled across the Richmond-San Rafael bridge on Sunday to celebrate the third anniversary of the structure’s dedicated bike lane. But their  joy was mixed with concern, which the event’s slogan explained:  “Use it or lose it!” “This year, we’re fighting to keep the to keep this bike trail that we’ve advocated … Continue reading In ‘Use it or lose it!’ ride, cyclists show support for ‘underused’ bike lane on bridge.