369 days ago - On average, it takes Muni buses 22 minutes to travel the length of Van Ness Avenue, according to city transportation planners. With about 80,000 commuters accessing the corridor each day, Van Ness Avenue, which doubles as U.S. Highway 101, is one of the most heavily congested stretches of road in San Francisco. As a result, public transit is slow and unreliable, transit experts say.