The Traffic Relief Plan is a county-wide strategy to improve traffic flow and safety, keep infrastructure in good condition, provide greater access to public transportation, and keep Riverside County as a region of opportunity for its residents. RCTC developed the Plan based on feedback from Riverside County residents and their elected representatives.


Improving traffic flow on state highways by constructing new lanes, improving interchanges (on-and off-ramps and bridges) and public transportation facilities, and utilizing innovative technologies.

Examples include:

  • Improving the condition of interchanges at Interstate 10, Highway 111, and State Route 86
  • Addition of managed lanes or toll lanes on I-10
  • Grade separations for State Route 86, including a new bridge at Avenue 50
  • Improvements to connecting regions, including Highway 62 and Highway 74
  • On the I-15 Corridor:
    • Add Express Lanes in each direction on I-15 between Cajalco Road in Corona and State Route 74
    • Add at least one lane in each direction on I-15 between State Route 74 to the San Diego County Line
    • Construct auxiliary lanes on I-15 in Corona
    • Construct the final phase of the French Valley Parkway interchange in the Temecula and Murrieta area, which includes: widening ramps at Winchester Road, constructing on and off ramps to I-15 from French Valley Parkway and a bridge over I-15, constructing the French Valley Parkway from Jefferson Avenue to Ynez Road, and adding of collector/distributor lanes for southbound I-15 from I-215 to Winchester Road
    • Reconstruct interchanges at: Cantu-Galleano Ranch Road in Eastvale, Sixth Street in Norco, Nichols Road in Lake Elsinore, Central Avenue (State Route 74 in Lake Elsinore), Wildomar Trail (formerly Baxter Road) in Wildomar, Bundy Canyon Road in Wildomar
    • Construct a new interchange on I-15 at: Campbell Ranch Road and Temescal Canyon Road in Temescal Valley and Franklin Street in Lake Elsinore
  • On the I-215 Corridor:
    • Add at least one lane in each direction between State Route 60 and Van Buren Boulevard
    • Construct auxiliary lanes on I-215 between Moreno Valley and Murrieta
    • Construct new interchanges on I-215 at Keller Road in Murrieta, Garbani Road in Menifee, Columbia Avenue in Riverside, and Center Street near Riverside
    • Reconstruct interchange at Harley Knox Boulevard in Perris
    • Add Express Lanes on I-215 between the 60/91/215 interchange and the 60/215 junction
  • On the SR-91 Corridor:
    • Add at least one new lane on State Route 91 between State Route 241 and State Route 71 in the eastbound direction and I-15 in Corona and Pierce Street in Riverside in both directions
    • Reconstruct interchanges on State Route 91 at Adams Street and Tyler Street in Riverside
    • Construct auxiliary lanes on State Route 91 in Riverside
    • Construct a rapid transit connection from the 91 Express Lanes to the North Main Corona Transit Center/Metrolink station
  • On the SR-60 Corridor:
    • Add at least one lane in each direction on State Route 60 in Moreno Valley
    • Reconstruct interchanges on State Route 60 at: Etiwanda Avenue in Jurupa Valley, Rubidoux Boulevard in Jurupa Valley, and Redlands Boulevard in Moreno Valley
  • On the I-10 Corridor:
    • Reconstruct interchanges on I-10 at: State Route 79 (Beaumont Avenue) in Beaumont, Highland Springs Avenue in Beaumont and Banning, Pennsylvania Avenue in Beaumont, Morongo Parkway and Main Street in Cabazon, County Line Road in Calimesa, and Cherry Valley Boulevard in Calimesa
    • Add Express Lanes on I-10 between State Route 60 in Beaumont and Highway 111 in Palm Springs
    • Expand Freeway Service Patrol to I-10 in Coachella Valley to quickly clear incidents from the freeway and keep traffic flowing