Public Infrastructure

State Route 71 Freeway Upgrade and Interchange Improvement Project

Pomona, California

Document Stage

Post-Decision

Approval Date

Oct 15, 2026

Description

This project involves upgrading SR 71 from a combination of 4-lane expressway and 6-lane freeway into an 8-lane freeway, with 3 mixed-flow lanes and 1 High Occupancy Vehicle HOV lane in each direction between Interstate 10 and the Los Angeles/San Bernardino County line in both counties. This will be achieved by widening or restriping to add either one or two lanes depending on the location. Additional improvements include replacing two railroad overhead bridges with raised profiles to meet curre...

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