The Route 4 Free Ride Trolley will detour on Saturday, October 17th during the Oktoberfest celebration in downtown Walnut Creek.
From Walnut Creek BART the bus will not travel on Locust and follow the route pattern below:
From WC BART on California Blvd. to Mt. Diablo
Left on Mt. Diablo
Right on S. Broadway to the regular route
Returning to WC BART
Follows the regular route pattern