This page contains general information about regional
transportation plans (RTPs) and their importance under SB 375,
along with estimated dates for when each of the 18 metropolitan
planning organizations in California expects to update its RTP.
This page includes links to Caltrans regional planning documents
including the Regional Transportation Plan (RTP) Guidelines and
RTP Guidelines Checklist, as well as links to related pages on
the Caltrans website.
What is a metropolitan planning organization (MPO), a regional
transportation planning agency (RTPA), a regional transportation
plan (RTP) or council of governments (COG)? This white paper
explains these terms and summarizes what planning occurs at the
This guide describes opportunities for local officials to engage
the public in regional transportation planning in California,
with a particular focus on preparation of sustainable communities
strategies required by SB 375.