Description of Slide 55. North Detour Travel Time, Sunday 2005 vs 2006, EB Bay Bridge Closed

Graph showing north detour travel time for a 24-hour period on Sunday, September 4, 2005, and Sunday, September 3, 2006, with the eastbound Bay Bridge closed. In both 2005 and 2006, three lanes were northbound and three lanes were southbound from 12:01 to 11:30 A.M., four lanes were northbound and two lanes were southbound from 11:30 A.M. to 3:30 P.M., and three lanes were northbound and three lanes were southbound from 3:30 to 11:59 P.M. An inset map of the north detour route is shown, from north of San Francisco to Marin County and to north of Oakland.

The graph shows an increase in travel time from 25 minutes in 2005 and 2006 at 12:01 A.M. to 40 minutes in 2005 at 4 P.M. and 65 minutes in 2006 at 8 P.M. and decreasing to 25 minutes in 2005 and 2006 at 11:59 P.M. Maximum delay is shown as 40 minutes.