Notice Cause
Construction
Notice Effect(s)
Detour
Lane Closure
Noise
Traffic Delays
Start Date
End Date
What
-UPDATED 7/17/2025-
TRAFFIC ADVISORY: Overnight Work Scheduled for Thursday, July 17 & Friday, July 18, 2025
Work Locations
- West of the Southbound US 101 off-ramp to northbound SR 25
- Along northbound SR 25, from just past the railroad crossing to the Garlic Shoppe (north side)
Night Work Schedule
Thursday, July 17
- 6:00 PM – 9:00 AM (ends Friday, July 18)
- Southbound US 101 On-Ramp from Route 25
- 9:00 PM – 5:00 AM (ends Friday, July 18)
- Southbound US 101 Off-Ramp to Route 25
Friday, July 18
- 6:00 PM – 9:00 AM (ends Saturday, July 19)
- Southbound US 101 On-Ramp from Route 25
- 10:00 PM – 5:00 AM (ends Saturday, July 19)
- Southbound US 101 Off-Ramp to Route 25
-UPDATE- Garlic Shoppe Demolition:
The northbound US 101 on-ramp will close Friday, 7/18, at 9:00 PM until Saturday, 7/19, at 5:00 AM. Crews will begin demolition work at 9:00 PM and continue through Saturday afternoon. No public traffic impacts are expected during the day shift.
For additional information, please visit the project page at www.vta.org/sr25, email Community Outreach at community.outreach@vta.org, or call 408-321-7575.
Why
As part of Phase 2 construction for the US 101/SR 25 Interchange Project, crews will conduct overnight grading and excavation work.
Detour
Detour for US 101 southbound off-ramp to Highway 25:
- Stay on southbound US 101 past the closed off-ramp exit.
- Take the Betabel Road off-ramp exit.
- Turn left at Betabel Road, cross over US 101, and take the US 101 northbound on-ramp entrance.
- Stay on northbound US 101 and take the off-ramp exit to Highway 25.
Detour for Northbound Route 25 to Southbound US 101 Closure:
- From Northbound SR 25: Motorists approaching the closed connector will be diverted left onto Castro Valley Road (immediately before the closed connector to SB 101).
- Continue East on Castro Valley Road
- Follow the detour signs along Castro Valley Road, heading east.
- Continue past intersections with Mesa Road and Bolsa Road.
- Turn Right onto Monterey Road.
- At the end of Castro Valley Road, turn right (southbound) onto Monterey Road.
- Access Southbound US 101 On-Ramp.
- Shortly after entering Monterey Road, follow signs to merge onto the southbound US 101 on-ramp.
Community Impacts
None
Service Impacts
None
Traffic Impacts
- Nighttime ramp closures are required to complete this work safely.
- Expect delays and detours in the area during closure hours.
- Use alternate routes when possible and follow posted signage.
Pedestrian Impacts
None
Bicycle Impacts
None