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Transportation Impact Analysis Guidelines


Los Angeles County's new Transportation Impact Analysis (TIA) Guidelines utilizing the Vehicle Miles Traveled metric are available here.


Please note TIA Guidelines Page 7 of 34 has been updated as of 9/2/2020.


If you have any questions about the TIA Guidelines, please contact:


Jeff Pletyak
(626) 300-4721
jplety@dpw.lacounty.gov

Or

Kent Tsujii
(626) 300-4776
ktsujii@dpw.lacounty.gov

Please see the links below for reports referenced in the TIA Guidelines.

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