Over the past twenty-five years, more workers in the United States have been given the
option of flexible work schedules, which are designed to redistribute commuter traffic over
the course of a day by allowing employees to vary their arrival and/or departure times. This
paper examines whether and to what degree access to flexible work schedules affects the
departure times of commuters in the two largest and most congested areas of California: the
Los Angeles and San Francisco regions. Trip data were obtained from the 2009 US National …