The SR 4 (East) project widened SR 4 from a four-lane freeway facility to an eight-lane freeway facility from west of Contra Loma Boulevard to east of G Street.
- Supplemental PR, PS&E
- Environmental revalidation
- Geometric alternative feasibility evaluation
- BART median incorporation
- Interchange reconstruction
- Local street reconstruction
- Traffic signal installation and modification
- Multi-phased stage construction
- Environmentally sensitive areas and constraints
- Right of way delineation
- Community participation and consensus
