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Caltrans eliminates several interchange designs; RCTC, cities move forward with Joshua Palmer realignment as preferred Highland Springs/I‑10 option
Summary
Riverside County Transportation Commission (RCTC) and project partners told Beaumont City Council that Caltrans rejected diverging‑diamond and hook‑ramp options for the Highland Springs Avenue/I‑10 interchange, and that the project team will carry forward a Joshua Palmer Way realignment alternative (Alternative 5) into environmental review.
During a June 17 presentation to the Beaumont City Council, RCTC project managers and their consultants updated the council on the I‑10 Highland Springs Avenue interchange study and said Caltrans has ruled out previously studied diverging diamond and hook‑ramp options because of operational, safety and right‑of‑way concerns.
What remains: The consultant team described Alternative 5, a Joshua Palmer Way realignment that keeps eastbound ramps in their existing locations but realigns and couplets Joshua Palmer Way north of restaurants and the gas station so traffic movements and signal phasing will change. Consultants said Alternative 5 meets the project’s purpose and need without the excessive right‑of‑way acquisition and construction costs associated with previous alternatives. The team said they will…
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