39611.
(a) (1) (A) The state board, in consultation with the Office of Planning and Research and the Department of Transportation, shall develop a methodology for assessing and spatially representing light-duty vehicle miles traveled and shall develop maps accordingly to display light-duty average vehicle miles traveled per capita in the state at the local, regional, and statewide level.(B) For the purposes of displaying “regional
light-duty vehicle miles traveled per capita” pursuant to this paragraph, a “region” is the entirety of incorporated and unincorporated areas governed by a multicounty or single-county metropolitan planning organization, or the entirety of the incorporated and unincorporated areas of an individual county that is not part of a metropolitan planning organization.
(2) The maps developed pursuant to paragraph (1) shall use the best available information, including, but not limited to, the technical advisory relating to vehicle miles traveled adopted by the Office of Planning and Research.
(3) (A) In developing maps pursuant to paragraph (1), the state board shall work with local agencies to assess whether regional maps
created by local agencies that show average vehicle miles traveled can be incorporated into the maps developed pursuant to paragraph (1).
(B) If the state board determines that a regional map assessed pursuant to subparagraph (A) is consistent with the methodology for accounting vehicle miles traveled developed pursuant to paragraph (1), the state board shall incorporate that map into the
maps developed pursuant to paragraph (1).
(b) (1) The state board shall adopt the methodology for assessing and spatially representing vehicle miles traveled resulting from the development of a project no later than January 1, 2025.
(2) The state board shall publish the maps developed pursuant to subdivision (a) no later than six months after it adopts the methodology pursuant to paragraph (1).
(3) The state board shall update the methodology and maps at least once every four years.
(c) The state board shall make both the methodology and the maps publicly available on its internet website.
(d) If a local agency wishes to use the statewide map published pursuant to this section to help determine transportation impacts resulting from a project, the state board, in consultation with the Office of Planning and Research, shall provide technical assistance with regard to the usage and interpretation of the map, upon request of the local agency.