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Mobility and Infrastructure CommitteeSeptember 11, 2025SR-91/ADAMS STREET INTERCHANGE RECONFIGURATIONPublic Works Department RiversideCA.gov2
Purpose:•To reduce congestion.•To improve traffic circulation.•To address operations and safety by increasing spacing between intersections.Need:•Address current and future operational performance.•Resolve severe congestion throughout the interchange area.•Accommodate future traffic demands and SR-91 improvements.•Improve and Facilitate Active Transportation.PURPOSE AND NEED OF THE PROJECT
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PROJECT LOCATION
Intersections less than 80’ apart
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BUILD ALTERNATIVE
900 Feet
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BUILD ALTERNATIVE
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BUILD ALTERNATIVE
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BUILD ALTERNATIVE
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BUILD ALTERNATIVE
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Summer 2026 – Summer 2027 upon funding availability. RIGHT-OF-WAY PROCESS1. Appraisals.2. Presenting the offers to the Property Owners.3. Negotiation.4. Relocation Assistance.
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ENVIRONMENTAL PROCESS• Draft Initial Study/Environmental Assessment• Public Review period—1/25/2024 to 3/29/2024.• Final Environmental Document.
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•Formal Public Meeting on February 2, 2024.•Formal Public Meeting on March 14, 2024.•Residents for Responsible Representation (RRR) community meeting on April 17, 2024.•Arlington Business Council meeting on June 6, 2024.•Quarterly meetings with stakeholders—CBU representatives, Auto Center Dealership representatives.PUBLIC OUTREACH RiversideCA.gov12
ENVIRONMENTAL TOPICS ANALYZED•Agriculture and Forest Resources•Air Quality•Biological Resources•Climate Change•Cultural Resources•Energy•Environmental Justice•Geology and Soils•Greenhouse Gas Emissions•Growth / Community Character and Cohesion•Hazards and Hazardous Materials•Hydrology, Floodplain, and Water Quality•Land Use and Planning•Mineral Resources•Noise•Paleontological Resources•Parks and Recreational Facilities•Population and Housing•Public Services•Relocations and Real Property Acquisition•Transportation / Traffic / Pedestrian and Bicycle Facilities•Tribal Cultural Resources•Utility and Emergency Services•Visual/Aesthetics•Wildfire 8/26/2025
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•Fall2025 – Project Approval & Environmental Document.•*Fall 2027 – Anticipated Completion of Final Design•*Summer 2028– Right-of-Way Acquisition •*Fall 2028 – Anticipated Start of Construction•*Fall 2030 – Anticipated End of Construction*Upon funding availabilityTENTATIVE PROJECT SCHEDULE RiversideCA.gov14
LOCAL(IN THOUSANDS)STP(IN THOUSANDS)TUMF FUNDS(IN THOUSANDS)ESTIMATE (IN THOUSANDS)PHASE$600$600PSR/PDS$1,500$935$2,000$4,435PA & ED$2,100$8,600PS & E$21,000RIGHT-OF-WAY$94,552CONSTRUCTION$2,100$935$4,100$129,187TOTALCOSTS AND FUNDINGSRight-of-Way and Construction are in 2023 dollars. 8/26/2025
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RECOMMENDATIONThat the Mobility & Infrastructure Committee receive and file updates on the SR 91/Adams Street Reconfiguration Project by the Public Works Department.