Last Updated 12/7/16

SJCOG, acting as the Congestion Management Agency (CMA), designated the transportation network for the Regional Congestion Management Program (RCMP) in San Joaquin County. The RCMP Network consists of RCMP Roadways, RCMP Intersections, RCMP Bikeways and RCMP Multi-Modal Corridors, described in further detail below. 


The roadway network is a core network of key transportation facilities that facilitate regional travel within San Joaquin County. At a minimum, state statute requires that all state highways and principal arterials be designated as part of the RCMP roadway network. Local arterials must represent routes of regional significance. Per state statute, once a route is designated as part of the RCMP system, it cannot be removed. 

The following guidelines were used when the RCMP network of roadways was originally established in 1991:
  1. Principal arterials are used for travel between cities, across metropolitan areas or between key trip generators (residential areas, downtown areas, commercial centers, airports, colleges, and universities). These routes also include key access roads to downtown areas or central business districts, and east-west routes that link I-5 and SR-99 (the two primary north-south routes in the county);
  2. Access to principal arterials from abutting property is generally limited to interchanges and major intersections;
  3. Traffic volumes on principal arterials vary, depending on the nature of the road (urban or rural). But, in general, these segments carry higher volumes than neighboring roadways;
  4. The RCMP system should display “connectivity.” Virtually all routes link with another principal arterial or state highway to form a comprehensive system rather than merely a collection of segments.

The following guidelines are used to help determine if and when additional roadways should be amended to the RCMP network needs to be expanded:

  1. The roadway is designated as a regional facility on the Regional Transportation Impact Fee (RTIF) network;
  2. A local roadway functions as a principal arterial, as described by the Federal Highway Administration’s Functional Classification Guidelines;
  3. A minor arterial is reclassified as a major arterial in a jurisdiction’s general plan; or
  4. An existing RCMP roadway is extended or realigned.


A total of 112 intersections have been designated as part of the RCMP Network. Designation of RCMP intersections adds resolution for congestion monitoring and appropriately focuses attention at locations where operational constraints are typically experienced on arterial roadways. Consistent with state statute, once an intersection is designated part of the system, it cannot be removed. RCMP intersections are subject to the CMP roadway LOS standards and deficiency planning requirements.  

2012 RCMP Intersections 2012 RCMP Intersections (349 KB)


The RCMP provides a mechanism to track performance and ultimate completion of the designated regional bikeway network. The regional bikeway network includes existing and future Class I Multi-use trails, Class II Bike Lanes, and Class III Bike Route facilities that will comprise a continuous uninterrupted network of facilities across the entire county. Unlike the RCMP roadway network, the designated bicycle network may change over time depending on the presence, quality or connectivity of existing or planned infrastructure (as defined during periodic updates of the regional bikeway network).

2012 RCMP Regional Bikeway Network 2012 RCMP Regional Bikeway Network (404 KB)


State and federal mandates require the consideration of all major modes of travel as part of a Congestion Management Program (CMP). Additionally, the California Complete Streets Act (AB 1358) requires counties and cities to include policies that take all roadway users into consideration (bicyclists, pedestrians, transit riders, motorists, children, senior citizens, mobility impaired, and freight movers) as part of their general plan updates. In recognition of these legislative mandates, SJCOG, in coordination with its member agencies identified a sub-set of the RCMP network to be designated as RCMP multimodal corridors. RCMP multimodal corridors are defined as sections of the RCMP roadway network where the operational performance of pedestrian, bicyclist, transit passenger, and motorist is to be considered and analyzed holistically. The concepts and method to compute multimodal level of service (MMLOS) is documented in the 2010 Highway Capacity Manual.


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