Highly urbanized areas, such as San Francisco, that have focused on infill and have “poor-performing” (according to LOS) intersections at most locations will find value in eliminating LOS as a metric. In-lieu fee (ILF) programs would also be a valid mitigation where there is an evidence that mitigation will actually occur. Since VMT is a largely a regional impact, regional VMT-reduction programs may be an acceptable form of mitigation. Notably, under VMT, mitigation is identified upfront but implementation is ongoing and can last over the project’s lifespan. Shared mobility options include taxis, carsharing, bikesharing, carpooling, vanpooling or shuttle services, and reduced parking to encourage transit usage. Mitigation measures may include pedestrian and bicycle infrastructure or network improvements, commute trip programs such as parking cash out, transit allowances, or flexible work schedules/telecommuting, which provide commuters incentives and resources to reduce their automobile travel and shared mobility, that is transportation services and resources that are shared among users, either concurrently or one after another. VMT mitigation focuses on fewer cars or fewer vehicle trips (i.e., not mitigating through roadway expansions etc.), meaning transit-oriented (TOD) development is becoming increasingly important, specifically infill development near transit. With this tool, vehicle trips and VMT generated by a development within the City of LA can be reviewed and the effect of transportation demand management strategies and mitigations can also be applied to determine the significance of impact per local criteria. Some cities, such as the City of Los Angeles have developed a VMT calculator tool, specifically designed to estimate project-specific VMT per capita and per employee, primarily for land use development projects. There are a number of methodology options available for calculating and estimating VMT, including travel demand models (trip or tour based models), sketch models (CalEEMod, Sketch 7, UrbanFootprint, MXD etc.), and spreadsheet models (VMT calculator or estimator) research into regional or local transportation plans and policies and data (travel surveys such as California Household Travel Survey).

Requirements, to choose whether to evaluate transportation impacts on a per Roadway capacity projects have discretion, consistent with CEQA and planning For transportation projects, lead agencies for For land use projects, VMT must be analyzed per capita, perĮmployee, and on a net basis. VMT is a measurement of distance travelled regardless of the number of passengers This standard goes into effect July 1, 2020, though some jurisdictions may adopt VMT analysis sooner. Rather, projects will be required to determine transportation impacts based on vehicle miles traveled (VMT). With the passage of Senate Bill 743 and official adoption of the measures into the 2018 California Environmental Quality Act (CEQA) Guidelines, transportation impacts will no longer be determined using level of service (LOS), a measure of traffic congestion.

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