Sacramento Area Council of Governments (SACOG): Regional Planning and Coordination

The Sacramento Area Council of Governments (SACOG) is the metropolitan planning organization (MPO) responsible for regional transportation, land use, and air quality planning across a six-county area in Northern California. As a joint powers authority established under California Government Code, SACOG coordinates decisions that no single city or county can make alone — from allocating federal transportation dollars to producing the region's long-range Metropolitan Transportation Plan. This page covers SACOG's definition, governance structure, legal drivers, scope boundaries, institutional tensions, and common misconceptions about what the agency can and cannot do.

• Definition and scope
• Core mechanics or structure
• Causal relationships or drivers
• Classification boundaries
• Tradeoffs and tensions
• Common misconceptions
• Checklist or steps
• Reference table or matrix
• References

Definition and scope

SACOG is a voluntary joint powers authority formed under California Government Code §6500 et seq., operating as the federally designated MPO for the Sacramento region. MPO designation — required by federal law under 23 U.S.C. §134 and the Fixing America's Surface Transportation (FAST) Act — is mandatory for any urbanized area with a population exceeding 50,000 people. The Sacramento urbanized area surpassed that threshold decades ago, making MPO designation a federal prerequisite for receiving highway and transit formula funds.

The agency's planning jurisdiction spans six counties: Sacramento, El Dorado, Placer, Yolo, Sutter, and Yuba. Within those counties, SACOG's membership includes the county governments themselves plus 22 incorporated cities, ranging from the City of Sacramento to smaller jurisdictions such as Elk Grove, Folsom, Woodland, and Davis. This six-county footprint is larger than the strict federal urbanized area boundary, which reflects SACOG's additional role as a regional planning coordinator under California law beyond its federal MPO functions.

Geographic scope coverage and limitations are addressed in more detail in the Classification boundaries section below.

Core mechanics or structure

Governance board. SACOG is governed by a Board of Directors composed of elected officials — mayors, city council members, and county supervisors — drawn from member jurisdictions. Board seats are allocated by population, meaning Sacramento County and the City of Sacramento hold proportionally greater representation than smaller members such as Yolo County or Sutter County.

Staff and technical committees. A professional staff of planners, engineers, economists, and data analysts supports the board. Technical Advisory Committees (TACs) composed of local agency staff provide analysis and recommendations before items reach the full board. This two-track structure — political board plus technical staff — is standard MPO architecture across the United States.

Core planning products. SACOG produces four foundational documents:

1. Metropolitan Transportation Plan/Sustainable Communities Strategy (MTP/SCS) — a long-range plan updated every four years under California Senate Bill 375 (2008), projecting transportation investments and land use patterns over a 20-plus-year horizon.
2. Federal Transportation Improvement Program (FTIP) — a four-year, fiscally constrained list of transportation projects programmed to receive federal funds. No project can receive federal transportation money without appearing in the FTIP.
3. Unified Planning Work Program (UPWP) — an annual document describing all transportation planning activities and their funding sources.
4. Regional Housing Needs Allocation (RHNA) — under California Housing Element Law, SACOG allocates housing unit targets to member jurisdictions for each RHNA cycle.

Funding flow. Federal transportation funds flow through the Federal Highway Administration (FHWA) and the Federal Transit Administration (FTA) to Caltrans and then through SACOG's programming process to local projects. SACOG does not itself build roads or operate transit — the Sacramento Regional Transit District handles bus and light rail operations, while Caltrans maintains state highways.

Causal relationships or drivers

Federal mandate as the primary driver. MPO designation under federal law is not optional for urbanized areas above 50,000 residents. Without a federally certified MPO, a region loses eligibility for Surface Transportation Block Grant funds, Congestion Mitigation and Air Quality (CMAQ) funds, and Federal Transit Administration formula grants. This funding dependency is the structural reason SACOG exists and maintains its planning role.

California SB 375 as a secondary driver. Senate Bill 375 (California Air Resources Board implementation) requires each MPO to produce a Sustainable Communities Strategy demonstrating how the region will reduce per-capita greenhouse gas emissions from passenger vehicles and light trucks by state-set targets. For the Sacramento region, the California Air Resources Board set a 2020 target of 7 percent reduction and a 2035 target of 16 percent reduction from a 2005 baseline. These targets legally bind SACOG's MTP/SCS to demonstrate land use and transportation strategies capable of meeting them.

Air quality conformity as an ongoing constraint. The Sacramento region has historically been designated as a nonattainment area for federal ozone and particulate matter standards under the Clean Air Act (EPA nonattainment area designations). Federal transportation plans and programs must pass an air quality conformity determination — a technical finding that planned investments will not cause or worsen violations of National Ambient Air Quality Standards. Failed conformity determinations can freeze federal transportation funding.

Regional growth pressure. The Sacramento region added approximately 400,000 residents between 2000 and 2020 (U.S. Census Bureau), intensifying demand for coordinated infrastructure investment across jurisdictions that have separate planning departments and separate capital budgets.

Classification boundaries

What SACOG covers:
- Transportation planning and federal fund programming for the six-county region
- Sustainable Communities Strategy under SB 375
- Regional housing needs allocation for member jurisdictions
- Regional data and modeling services (travel demand models, land use forecasts)
- Air quality conformity for federally funded transportation projects

What falls outside SACOG's scope:
SACOG has no land use regulatory authority. Zoning, building permits, and general plan adoption remain exclusively with member cities and counties. The Sacramento City Planning Commission, the Sacramento General Plan, and the Sacramento County Planning and Development department make local land use decisions independently.

SACOG does not operate transit service — that function belongs to the Sacramento Regional Transit District. SACOG does not maintain roads — state highways are Caltrans' responsibility and local roads belong to individual jurisdictions. SACOG does not levy taxes or issue bonds independently, though it programs funds from federal and state sources.

The El Dorado County portion of SACOG's planning area includes mountainous terrain governed partly under different federal land management rules, which falls outside SACOG's direct planning authority. Rural areas of Sutter and Yuba counties that lie outside the urbanized area boundary have more limited engagement with SACOG's federally required MPO functions, though they remain SACOG members.

For questions about how individual Sacramento-area governments fit into the broader regional structure, the Sacramento metropolitan area reference and the Sacramento intergovernmental relations page provide additional context. The /index for this reference network covers the full range of Sacramento metro governance topics.

Tradeoffs and tensions

Regional coordination versus local autonomy. SACOG's RHNA process allocates housing unit targets to member jurisdictions, but cities and counties retain zoning authority. When a jurisdiction fails to meet its housing obligations, the tension between SACOG's coordinating role and local discretion becomes visible — SACOG has no enforcement mechanism to compel rezoning. State enforcement of Housing Element Law falls to the California Department of Housing and Community Development, not SACOG.

Fiscal constraint versus aspirational planning. The MTP/SCS must be fiscally constrained — meaning it can only include projects for which funding can reasonably be expected. This requirement, imposed by federal regulations at 23 C.F.R. Part 450, routinely forces SACOG to omit locally popular projects from the financially constrained plan because no funding source exists. Jurisdictions seeking to include projects in the plan must identify credible funding, creating tension between political expectations and fiscal reality.

Greenhouse gas targets versus suburban growth patterns. SB 375 targets require demonstrating emissions reductions through compact land use patterns and transit investment. However, a substantial portion of the region's growth has historically occurred in lower-density suburban and exurban areas of Placer County and El Dorado County, where land use decisions are made by those counties' own planning bodies. SACOG cannot override those decisions; it can only model their consequences and reflect them in SCS scenario analysis.

Small jurisdiction representation. Smaller member cities in Sutter and Yuba counties contribute to the board but exercise limited influence over a funding pool dominated by Sacramento County's population weight. This creates perennial tension over whether regional fund allocations adequately serve outlying areas.

Common misconceptions

Misconception: SACOG approves or denies local development projects.
Correction: SACOG has no project-level land use authority. Approval of subdivisions, commercial projects, or housing developments rests with the city or county where the project is located. SACOG's land use role is limited to aggregate regional modeling and housing needs allocation.

Misconception: SACOG builds or operates transportation infrastructure.
Correction: SACOG programs federal funds to projects, but construction and operations are handled by Caltrans (state highways), the Sacramento Regional Transit District (bus and light rail), or individual city and county public works departments. SACOG's role is programming and planning, not implementation.

Misconception: Membership in SACOG is required by state law.
Correction: SACOG is a joint powers authority that member jurisdictions voluntarily joined. Federal MPO designation requires the existence of an MPO, but does not mandate participation in a particular organizational form. In practice, membership is universal across the six-county area because the funding consequences of non-participation are prohibitive.

Misconception: The MTP/SCS legally requires cities to rezone land.
Correction: The Sustainable Communities Strategy must demonstrate a land use pattern consistent with GHG targets, but it does not legally obligate member jurisdictions to implement that pattern through zoning. The legal obligation to rezone arises from Housing Element Law and, in some cases, state builder's remedy provisions — not from SACOG's MTP/SCS directly.

Misconception: SACOG and the Sacramento Transportation Authority are the same agency.
Correction: The Sacramento Transportation Authority is a separate agency responsible for administering Measure A sales tax revenues for transportation projects within Sacramento County. SACOG programs federal funds across six counties; the Transportation Authority manages a county-specific voter-approved tax.

Checklist or steps

Elements required for a federally funded transportation project to advance through SACOG's process:

• [ ] Project sponsor (city, county, or transit agency) identifies the project and confirms jurisdictional authority
• [ ] Project is included in or added to the fiscally constrained Metropolitan Transportation Plan/Sustainable Communities Strategy
• [ ] Project is programmed in the Federal Transportation Improvement Program (FTIP) with a specific funding source identified
• [ ] Air quality conformity determination is current and covers the programming period
• [ ] Federal funding agreement executed between project sponsor and relevant federal agency (FHWA or FTA) through Caltrans as the state DOT
• [ ] Environmental review completed under CEQA and/or NEPA, as applicable
• [ ] SACOG Board approves any FTIP amendment if project is added after the base FTIP adoption
• [ ] Project sponsor submits quarterly progress reports and drawdown requests through Caltrans' local assistance office

Reference table or matrix

References

• SACOG — Official Website
• 23 U.S.C. §134 — Metropolitan Transportation Planning
• 23 C.F.R. Part 450 — Planning Assistance and Standards
• California Air Resources Board — SB 375 Sustainable Communities
• California Department of Housing and Community Development — RHNA
• Federal Highway Administration — Metropolitan Planning
• Federal Transit Administration — Planning Program
• U.S. EPA — Nonattainment Area Designations (Green Book)
• U.S. Census Bureau — American Community Survey Data
• California Government Code §6500 — Joint Exercise of Powers