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Riverside County -
Orange County
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County Line Crossings % of Total Trips by Subarea
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– Second level • Third level – Fourth level » Fifth level 4 Distribution of Traffic
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– Second level • Third level – Fourth level » Fifth level 9 2030 ADT Volumes-
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– Second level • Third level – Fourth level » Fifth level 10 Approved Recommendations (11/18/05)
• Prioritize SR-91 improvements particularly east of SR-241 • Work with F/E TCA to develop plan for coordination of
capacity improvements on toll roads
• Continue to evaluate costs/impacts of Corridor A within SR-91 R/W (between SR-71 and I-15)
• Continue to study technical feasibility of Corridor B • Eliminate Strategic Alternative 1b from further
consideration
• Eliminate widening of Corridor D from further consideration
• Evaluate operational improvements on Ortega Highway • Continue to coordinate with Cal-Nevada Super Speed
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– Second level • Third level – Fourth level » Fifth level 14 SR-91 Implementation Plan
• Coordinate SR-91 ultimate widening with existing Caltrans, OCTA, and RCTC studies
• Evaluate Requirements of Corridor A within 91 • Revise SR-91 Implementation Plan to be
consistent with the MIS recommendations
• Prioritize improvements to maximize throughput • Funding from Measure A and OCTA resources
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Corridor A Implementation Plan
• Evaluate Corridor A alignment (SR-71 to I-15) within SR-91 R/W
• Consideration of staged approach (east and west of SR-71)
• Develop multi-county funding plan
• Decisions at completion of PE and prior to environmental clearance
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Corridor B Implementation Plan
• Initiate geotechnical investigations
• Initiate technical studies on basis of geotechnical information
• Alignments refinement, cost, and technical analysis
• Investigate partnerships for shared benefits and funding – MWD
– Other Agencies
• Decisions at completion of Feasibility Studies/PE and prior to environmental clearance
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Ortega Highway Operational Improvements
• Estimated cost $180 million
• Develop funding plan in partnership with Caltrans • Coordinate with Caltrans for project initiation
• Coordinate with Orange County project • Decision prior to environmental clearance
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Ortega Highway Potential Operational Improvements
• Standard lane and shoulder widths • Guardrail improvements
• Turnouts
• Passing lanes on sustained grades • Dedicated turn lanes
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Next
Steps
• Update SR-91 Implementation Plan
– Identify funding sources – Prioritize projects
– Begin environmental process
• Corridor A preliminary engineering
• Corridor B technical feasibility studies