Transportation Impact Analysis Guidelines for Environmental Review - Update
To assist in the preparation of transportation impact studies, the department is issuing this update to the Transportation Impact Analysis Guidelines. Comprehensive update released Feb 2019.
Impact Analysis Guidelines latest technical update October 2019 - see "Impact Analysis Guidelines" tab
Background technical studies support the conclusions of an environmental impact evaluation and guide decision-makers during project approval. The department periodically updates guidelines, and updates will occur approximately every four years, or more frequently as needed. The department comprehensively updated the guidelines February 14, 2019.
This comprehensive update was the result of an over two-year process that included input from several local and regional government agencies, consultants, the planning commission, and the public.
|March 2016||Planning Commission adopts resolution to use VMT and remove LOS|
|Fall 2016||Contracted with consultant for travel demand|
|Data collection and research initiated|
|Summer 2017||Meeting with public agencies and consultants kick-off|
|Fall 2017||Formalized charter with partner agencies|
|Planning Commission hearing and public survey|
|Winter 2017||Summary of Feedback released|
|Spring 2018||Consultant training and topic memos released|
|February 2019||Transportation Impact Analysis Guidelines comprehensive released|
|October 2019||Technical update released (refer to Summary of Changes Memorandum, Appendix B)|
This memo provides an overview of the primary changes made in this comprehensive guidelines update compared to prior guidelines. Refer to appendices for a list of technical updates (latest October 2019).
Transportation Impact Analysis Guidelines
All files include technical updates in October 2019 unless otherwise indicated.
- Transportation Review Process
- Update Process and Style Guide
- Travel Demand
SF Travel Demand Map: a web-based tool to visualize travel demand and trip patterns for development projects in San Francisco. This tool is a beta version.
- Public Transit
- Emergency Access
- Vehicle Miles Traveled/Induced Automobile Travel
- Driving Hazards
- Vehicular Parking
- Supplementary Guidance (02/14/2019)