District 4 Current Projects

Alameda

• 13 State Route 61 Emergency Bridge Railing Replacements
• 23rd 29th Avenue Overcrossing Project
• 580 East and Westbound Rehabilitation Project
• 580 & 680 Alameda County Express Lanes
• 680 Express Lanes between Milpitas and Pleasanton
  
• 680 Corridor Improvements in Alameda County
• 80 MacArthur Maze Vertical Clearance Project
• 84 Niles Canyon Safety and Improvement Project
• 84 Expressway Widening and State Route 84/I-680 Interchange Improvements Project
• 880 Express Lanes Between Oakland and Milpitas
• Various Locations Crosswalk and Ramp Restriping Project

Contra Costa

• 4 Balfour Road Interchange (Phase 1)
• 580 Richmond-San Rafael Bridge Access Improvements
• 680 Contra Costa Express Lanes

Marin

• 101 Marin Ramp Metering Project Northbound
• Lagunitas Creek Bridge Project
• Marin-Sonoma Narrows

Napa

• 29 Napa Roundabouts
• 29 Napa River Bridge in Calistoga
• 29 Pavement Repair Project-Napa Valley

San Francisco

• 1 Paving in San Francisco
• 101 Deck Replacement project at Alemany Circle in San Francisco
• 101 Doyle Drive / Presidio Parkway
• Bay Bridge Info.org
• The SFMTA Van Ness Improvement Project (Non-Caltrans Project)
• Yerba Buena Island I-80 Interchange Improvement Project

San Mateo

• 1 Paving in Pacifica: Gray Whale Cove to I-280
• 101 Express Lanes
• 101 Willow Road Interchange
• 35 Skyline-Boulevard-Sinkhole-near-La-Honda

Santa Clara

• 680 Field Test of Freeway Ramp Metering and Arterial Signals Coordination
• 9 Saratoga Creek Bridge

Solano

• 12 &113 Rio Vista Roundabout
• 29 in Vallejo HAWK Pedestrian Hybrid Beacons
• 80 680 12 Interchange
• Delta Ferries

Sonoma

• 116 Sebastopol Pavement Improvement Project
• 2019 Storm Damage Projects
• Gleason Beach Roadway

• Sonoma Co. State Route 1 Emergency Repair Projects