Notice Cause
Construction
Notice Effect(s)
Detour
Lane Closure
Noise
Noise and Vibration
Traffic Delays
Start Date
End Date
Why
Night Work, On/Off-Ramp Closures & Detours related to eh construction work at the US 101/SR 25 interchange in Gilroy.
Drivers traveling through Gilroy should be aware of construction activities for the US 101/SR 25 Interchange Project during the week of September 15–19, 2025:
- Night Work: Roadway excavation and filling placement near east of US 101 at SR 25 will take place during nighttime hours.
- Traffic Breaks: California Highway Patrol (CHP) will assist with rolling traffic breaks for large equipment and rebar cage deliveries. Expect brief delays.
- Lane Closures: Some paving, electrical installation, and barrier construction will require temporary lane closures near the interchange.
- Noise/Light: Pile driving, paving, and lighting installation may cause noise and light during evening hours.
We encourage drivers to:
- Reduce speed in work zones and follow CHP instructions.
- Allow extra travel time, especially during commute hours.
- Stay alert and follow posted construction signs and reduced speed limits.
More info: https://www.vta.org/projects/us-101sr-25-interchange-phase-1 | (408) 321-7575
Traffic Impacts
Night Work, Southbound On/Off-Ramp Closures and Detours:
- September 15-19, between 9:00 PM - 6:00 AM (Monday-Friday), Southbound off and on ramps, and the Southbound # 2 Lane
Detour Route for Overnight closure of the US 101 southbound on-ramp:
- Continue north on SR 25
- Follow detour signs onto Monterey Road
- Reconnect to southbound US 101 at the Monterey Road interchange
Detour Route for Overnight closure of the US 101 southbound off-ramp
- Continue South on US 101 to Betabel Road
- Betabel Road to Northbound US 101
- Northbound US 101 to Southbound SR 25