Close this search box.

Interstate 580 Westbound HOV Widening

The Interstate 580 Westbound HOV Widening Project in the Tri-Valley area of Alameda County involves 13 miles of highway widening and six bridge modifications. Project features included:

  • Project Report, EIR, and two PS&E contracts
  • Mandatory/Advisory Fact Sheet Exception Reports
  • Utility mapping and conflict resolution coordination/relocation
  • Detailed stage construction and traffic detours
  • Multi-jurisdictional approval
  • Environmentally sensitive areas and constraints
  • Roadway rehabilitation analysis
  • Future express lanes
BKF Engineers Skip to content