Regional Conformity Determinations


Federal approvals of regional transportation conformity determinations for Regional Transportation Plan/Federal Transportation Management Program and amendments are provided electronically through the California Transportation Improvement Program System database, including federal approval date. SCAG will no longer receive federal approval letters from Federal Highway Administration/Federal Transit Administration; however, federal approval letters will continue to be produced for project-level conformity determinations.


2012-2035 RTP/SCS Conformity Determination

On June 4, 2012, SCAG received final conformity determination from Federal Highway Administration/Federal Transit Administration for 2012-2035 Regional Transportation Plan/Sustainable Communities Strategy (RTP/SCS) and California Air Resources Board’s (ARB) acceptance of SCAG’s quantification of greenhouse gas (GHG) emission reduction and SCAG’s determination that the SCS would, if implemented, achieve 2020 and 2035 GHG emission reduction targets established by ARB.​​