I-10/Tippecanoe Avenue Interchange Reconfiguration
ACT Consulting supported the development of the PA/ED and PS&E phases for improvements to the I-10/Tippecanoe Avenue Interchange in the Cities of Loma Linda and San Bernardino. The interchange serves as the gateway to both cities, providing access for multiple local businesses and the Loma Linda University Medical Center. The project proposes to reconfigure the interchange by adding a loop on-ramp to westbound I-10 and reconfiguring the westbound off-ramp to Tippecanoe Avenue around the new loop on-ramp. Along eastbound I-10, an auxiliary lane was re-established between the Waterman Avenue EB on-ramp and the off-ramp to Tippecanoe Avenue/Anderson Street, and the off-ramp to Tippecanoe Avenue/Anderson Street was widened to provide additional capacity. Additionally, Tippecanoe Avenue/Anderson Street and Redlands Boulevard, the local arterials connecting Loma Linda and San Bernardino to I-10, will be widened to provide increased capacity and improved operations. Implementation of these improvements requires new permanent right-of-way in all four quadrants of the interchange, from both businesses and residents, which has been closely coordinated with the Cities, Caltrans, and SANBAG. ACT Consulting supported the TranSystems team by providing signing, striping, and electrical services.
The interchange improvements were required to be coordinated with other larger corridor efforts along I-10, including the addition of an HOV lane. The PA/ED phase was delivered on an accelerated schedule in order to provide quick relief to the neighboring cities. The project was transitioned quickly into the PS&E phase to capitalize on available funding. The project has major political implications and required close coordination with SANBAG, Caltrans District 8, FHWA, and the Cities of Loma Linda and San Bernardino, as well as many public stakeholders.