Public Infrastructure

State Route 142 S-Curve

SR-142 and Carriage Hill Lane to S-142 and Azurite Drive, Chino Hills, California 91709

Document Stage

Post-Decision

Approval Date

Nov 2, 2026

Description

Widen the highway S-curve between Carriage Hill Lane and Azurite Drive from Post Mile PM 2.2 to PM 2.5 on State Route 142 SR-142 in the City of Chino Hills, in San Bernardino County. The scope of work includes widening of existing pavement, constructing retaining walls, replacing existing culverts, drainage improvements, and constructing guardrail as needed. Also included in the scope of work is removing existing street lighting and adding new lighting to improve visibility through the S-curve.

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