San Francisco TDM Ordinance: A Tool for Promoting Sustainable Transport

This paper examines the evolution and application of the San Francisco Transportation Demand management (TDm) Ordinance, an act of municipal legislation that requires the creation of a TDm Programme in the buildings that developers intend to build or renovate in San Francisco. This Ordinance, adopted in 2017, details the transport requirements and responsibilities of developers in their commercial and residential buildings. Since 1979, the municipality has developed TDm measures for new projects; however, many developers or owners have chosen not to comply with these approval conditions. The Ordinance establishes the need to formulate a TDm Programme at the beginning of the application process, forcing each developer to choose a series of measures to develop a TDm Programme for its workers. Each Pro-gramme is expected to reduce the number of vehicle-kilometers travelled (VkT) generated by building projects. In principle, the municipality proposes to work with developers and owners to promote new travel options. With the adoption of the TDm Ordinance, the TDm Programme is applied to all kinds of buildings and changes in building use throughout San Francisco, except at certain state institutions and affordable housing projects. The application process and the delivery of legal rights must be carefully considered. Whilst it is still too early to effectively evaluate the new TDM Programme, in the best of cases, the Ordinance can generate sustainable transport options for tenants, employees, residents and visitors to a building, benefiting not only the neighborhood, but also the city and the Bay area.


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  • Accession Number: 01748664
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Aug 25 2020 6:46AM