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Environmental Impact Report

CTM-C Vehicle Miles Traveled (VMT) Reduction Program

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To support climate change related goals and CEQA related VMT policies pursuant to SB 743 (2013), the County shall develop a VMT Reduction Program no later than 2025. This program will contain a range of project- and program-level mitigation measures and VMT reduction strategies, that could include:

  • Preparation of a Transportation Demand Management (TDM) program to promote mode shifts from single occupant vehicle use to transit, ridesharing, active transportation, telecommuting, etc.; and,
  • Transportation System Management applications such as park-and-ride lots, intelligent transportation system (ITS) field deployment, pavement management, etc.

This program shall identify measures to achieve an additional five percent overall reduction in VMT by 2030, and 10 percent by 2040 relative to 2030 and 2040 business as usual scenarios, respectively. During implementation of the 2040 General Plan, the County will review and update the VMT Reduction Program as warranted to provide additional mitigation measures and programs that achieve these levels of VMT reduction.

CTM-B Initial Study Assessment Guidelines

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The County shall update and adopt its Initial Study Assessment Guidelines (ISAG) no later than 2025 to address Vehicle Miles Traveled (VMT) and safety metrics pursuant to CEQA Guidelines Section 15064.3. This program shall consider inclusion of the following components:

  • Establishment of screening criteria to define projects not required to submit detailed VMT analysis, such as infill projects, inclusion of locally serving commercial, transit supportive projects, or transportation enhancements that reduce VMT;
  • Establishment of thresholds of significant for identifying VMT related transportation impacts to meet or exceed State requirements; at minimum the thresholds will be equivalent to the threshold values for different project types identified in Mitigation Measure CTM-1;
  • Standard mitigation measures for significant transportation impacts; and
  • Specify the County’s procedures for reviewing projects with significant and unavoidable impacts, under CEQA, related to VMT.

CTM-C Vehicle Miles Traveled (VMT) Reduction Program

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To support climate change related goals and CEQA related VMT policies pursuant to SB 743 (2013), the County shall develop a VMT Reduction Program no later than 2025. This program will contain a range of project- and program-level mitigation measures and VMT reduction strategies, that could include:

  • Preparation of a Transportation Demand Management (TDM) program to promote mode shifts from single occupant vehicle use to transit, ridesharing, active transportation, telecommuting, etc.; and,
  • Transportation System Management applications such as park-and-ride lots, intelligent transportation system (ITS) field deployment, pavement management, etc.

This program shall identify measures to achieve an additional five percent overall reduction in VMT by 2030, and 10 percent by 2040 relative to 2030 and 2040 business as usual scenarios, respectively. During implementation of the 2040 General Plan, the County will review and update the VMT Reduction Program as warranted to provide additional mitigation measures and programs that achieve these levels of VMT reduction.

AG-1.8 Avoid Development on Agricultural Land

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The County shall ensure that discretionary development located on land identified as Important Farmland on the State’s Important Farmland Inventory shall be conditioned to avoid direct loss of Important Farmland as much as feasibly possible.

HAZ-10.15 Health Risk Assessments for Sensitive Land Uses Near Heavily Traveled Transportation Corridors

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The County shall require discretionary development for land uses that include sensitive receptors be located at least 1,000 feet from any road with traffic volumes that exceed 50,000 vehicles per day. New sensitive receptor structures can be located within 1,000 feet from a new or existing road with traffic volumes that exceed 50,000 vehicles per day only if a project applicant first prepares a qualified, site-specific health risk assessment (HRA). The HRA shall be conducted in accordance with guidance from VCAPCD and approved by VCAPCD. If the HRA determines that a nearby sensitive receptor would be exposed to an incremental increase in cancer risk greater than 10 in 1 million, then design measures shall be incorporated to reduce the level of risk exposure to less than 10 in 1 million. No further action shall be required if an HRA demonstrates that the level of cancer risk would be less than 10 in 1 million. Project design features that may be considered in the HRA may include, but are not limited to: installing air intakes furthest away from the heavily traveled transportation corridor; installing air filtration (as part of mechanical ventilation systems or stand-alone air cleaner); using air filtration devices rated MERV-13 or higher; requiring ongoing maintenance plans for building HVAC air filtration systems; limiting window openings and window heights on building sides facing the heavily traveled transportation corridor; or permanently sealing windows so they don’t open on the side of the building facing the heavily traveled transportation corridor; and installing vegetative barriers, considering height and cover thickness, to create a natural buffer between sensitive receptors and the emissions source. For purposes of this policy, “sensitive receptors” means populations or uses that are more susceptible to the effects of air pollution than the general population such as long-term health care facilities, rehabilitation centers, retirement homes, convalescent homes, residences, schools, childcare centers, and playgrounds.

HAZ-10.14 Fugitive Dust Best Management Practices

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The County shall ensure that discretionary development which will generate fugitive dust emissions during construction activities will incorporate appropriate BMPs to reduce emissions to be less than applicable thresholds.

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