The traffic light controlling the western entrance of the Bunker Road Tunnel in the Marin Headlands makes you wait five whole minutes. Why? Because it only has one lane for cars, so traffic goes west for a few minutes and then east and then back again, all day long.
There’s another way back to the Golden Gate Bridge but it’s a whole lot hillier.
After a long countdown, the green light appears. Click to expand:
All in all, a fine tunnel. Look for it between Cavallo Point and Rodeo Cove the next time you’re in the Sausalito area.