Walk to Work Day activities taking place in San Francisco

SAN FRANCISCO (KGO) -- San Francisco Mayor Ed Lee and city officials will celebrate Walk to Work Day.

City leaders will be at hubs throughout the city, where pedestrians can stop by to meet them, receive free Clipper cards, tote bags and snacks. The walk begins at 8:15 at 18th and Castro Streets and travels along Montgomery and Market Streets before ending at the Embarcadero.