Notice Cause
Construction
Notice Effect(s)
Detour
Lane Closure
Noise
Noise and Vibration
Traffic Delays
Start Date
End Date
What
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
Why
Night Work, On/Off-Ramp Closures & Detours related to eh construction work at the US 101/SR 25 interchange in Gilroy.
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