San Francisco Bay Area US-101 Existing Conditions, ITS Assets, and Active Transportation and Demand Management Assessment

The 58.5-mile long Highway 101 corridor from the Bay Bridge to the SR 85/US-101 interchange in South San Jose accommodates just over 2.6 million trips on an average weekday. Travel delays on the US-101 corridor over the 2012-2016 five-year period increased by more than 91% (an average delay increase of over 18% per year). Given that California’s economy recently grew to become the sixth largest in the world, this waste of time stuck in traffic ranks among the most consequential economic inefficiencies in the world; workers in this region produce about 15 percent of California’s annual gross domestic product (GDP), 53 percent of its patents and almost 75 percent of the state’s venture capital investment. The extensive economic strength in this corridor drives demand for travel and provides the essential context for the existing conditions and assets described in this report. This demand has overwhelmed much of the available capacity and is expected to do so in the future as well. Therefore, effective Active Transportation and Demand Management (ATDM) strategies must not only address the inefficient use of current capacity and expand capacity where possible, but also address the excess demand in the short term in ways that ensure the mobility gains achieved through these strategies (e.g., delay reductions, travel time reliability improvements) are not lost through induced demand. In short, this allocation will require strategies that will distribute trip making to alternative routes, off-peak periods, and to higher occupancy modes, or even address the more fundamental need for making some trips in the first place. This report concludes with an exploration of ATDM strategies, and provides information on current conditions, operations, built environment, roadway assets, and travel behavior along the corridor.

  • Record URL:
  • Corporate Authors:

    University of California, Berkeley

    California PATH Program, Institute of Transportation Studies
    Richmond Field Station, 1357 South 46th Street
    Richmond, CA  United States  94804-4648

    California Department of Transportation

    1227 O Street
    Sacramento, CA  United States  95843

    Federal Highway Administration

    Exploratory Advanced Research Program
    6300 Georgetown Pike
    McLean, VA  United States  22101-2296

    Cambridge Systematics

    555 12th Street
    Suite 1600
    Oakland, CA  United States  94607
  • Authors:
    • McKeever, Benjamin
    • Skabardonis, Alexander
    • Mauch, Michael
    • Campbell, Robert
    • Alexiadis, Vassili
    • Wornum, Christopher
  • Publication Date: 2017-7-10


  • English

Media Info

  • Media Type: Digital/other
  • Edition: Final Report
  • Features: Appendices; Figures; Tables;
  • Pagination: 182p

Subject/Index Terms

Filing Info

  • Accession Number: 01681509
  • Record Type: Publication
  • Source Agency: UC Berkeley Transportation Library
  • Report/Paper Numbers: UCB-ITS-PRR-2016-xx
  • Created Date: Sep 21 2018 9:35AM