 The California Department of Transportation (Caltrans), in cooperation with the Federal Highway Administration (FHWA) and the Contra Costa Transportation Authority (CCTA) , is widening State Route 4 (SR 4), its interchanges, and affected local roadways from approximately 0.8 mile west of Loveridge Road to approximately 0.7 mile east of Hillcrest Avenue.
The proposed projects consist of the following actions:
| 1) |
Widen SR 4 from the existing four lanes to eight lanes. The widened freeway will provide one HOV lane and three mixed-flow lanes in each direction |
| 2) |
Preserve sufficient width in the SR 4 median through the Hillcrest Interchange to accommodate future public transit improvement (e-BART.) |
| 3) |
Reconstruct SR 4 interchanges to accommodate the freeway widening at: |
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