Interstate 10: Tippecanoe/Anderson Avenue Interchange

The Tippecanoe interchangeSANBAG is working with the Cities of San Bernardino and Loma Linda on the preliminary design for reconstruction of the Interstate 10 Tippecanoe Avenue/Anderson Avenue interchange. A project study report was completed in late 2002. The preliminary engineering and environmental clearance phase began in 2004 and is expected to be completed in 2008. The project team is working toward approval of a design alternative and the environmental technical studies.

The purpose of the current design study is not merely to provide improved operations and congestion relief at the interchange itself, but to improve local circulation among city streets.

Several design alternatives have been studied at length, and a locally preferred alternative is being developed that would add a westbound loop on-ramp and reconfigure the westbound off-ramp, which would tie directly into Laurelwood Drive on the north side of Interstate 10. This alternative also would feature widening the eastbound on-ramps and off-ramps and increasing the number of lanes at the intersection of Redlands Boulevard and Anderson Avenue.

SANBAG is considering a design-build configuration for construction. If this type of construction is approved by Caltrans, SANBAG would be prepared to start construction after the environmental process concludes. If the design-build process is not approved by the state, then two more years will be required for design, followed by 18 to 24 months of construction activity.

Construction costs for the improvements are approximately $50 million. This project is fully funded, largely from federal sources.