Objectives of the Project are to reduce volume to capacity ratios along the corridor improve travel times within the I-10 Freeway corridor provide a facility that is compatible with emerging transit and other modal options provide consistency with the SCAG Regional Transportation Plan provide a cost-effective solution and minimize environmental impacts and right-of-way acquisition. The purpose of the I-10 Express Lane Project is to improve traffic operation on the I-10 Freeway in San Bernardino County in order to reduce congestion, increase traffic flow and enhance trip reliability through the planning design year of 2045. Further, traffic flow on the I-10 Freeway’s existing mainline High Occupancy Vehicle (HOV) lanes is experiencing significant degradation during peak periods. Peak-period traffic demand for substantial portions of the I-10 Freeway mainline general purpose (GP) lanes (traffic lanes other than managed lanes such as Express Lanes and High Occupancy Vehicle Lanes) currently exceeds capacity and traffic demand for the I-10 mainline GP lanes is projected to exceed capacity in future years.
In addition, forecasted local and regional traffic demand is expected to continue increasing, resulting in a pressing need to improve traffic operation on the I-10 corridor. Within the Project limits, the I-10 corridor is currently experiencing congestion and traffic delays, particularly during peak demand hours due to traffic volume exceeding capacity-a byproduct of local, regional, and inter-regional traffic demand. The design year is the period of time during which the improvement is expected to work within specified parameters. The Project includes transition areas extending from approximately 0.4 miles west of White Avenue in the City of Pomona to Live Oak Canyon Road in Yucaipa (the Project Limits), and will open to traffic in 2025,with a design year of 2045. The California Department of Transportation (Caltrans), in cooperation with the San Bernardino County Transportation Authority (SBCTA), the council of governments and transportation planning agency for San Bernardino County, proposes to add Express Lanes through the entire length of the 33 mile stretch of Interstate 10 (I-10) from the Los Angeles-San Bernardino County line to Ford Street in Redlands.
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