Pilot program to limit traffic on Market Street - http://www.sfgate.com/cgi-bin...
"Starting Sept. 29, most cars traveling east on Market will be banned beginning at Sixth Street. Eastbound cars will be encouraged to turn right on 10th Street - and if they don't, they must turn right once they get to Eighth Street. Any cars that get onto Market from Seventh Street will be forced off at Sixth." - scott anderson