20161201102649001.0TRUEPDAs were locally defined and used by MTC and ABAG to identify future growth areas in the proposed Plan, TPP areas are defined by SB 375 as areas within half a mile of a major transit stop or high quality transit corridor, amongst other criteria. TPP corridors generally include existing neighborhoods served by transit, and contain a wide range of housing options along with jobs, schools, and amenities. Under SB 375, certain residential or mixed use residential projects and projects located within TPP corridors that meet defined criteria may be eligible for CEQA streamlining. Plan Bay Area 2013pdatpatppreviewThis Layer Illustrates Priority Development Areas (PDAs) and Transit Priority Areas (TPAs) Corridors within the nine-county Bay Area region; two distinct policy layers used in the 2013 MTC Transportation Plan- Plan Bay Area 2040.