Notice Cause
Construction
Notice Effect(s)
Detour
Lane Closure
Noise
Noise and Vibration
Traffic Delays
Start Date
End Date
What
Traffic Advisory: US 101/SR 25 Interchange in Gilroy
Upcoming Work and Traffic Impacts (Sept. 22 – 26, 2025)
Key Construction Activities:
- Roadway Work: Crews will be paving, grading, and installing new lighting and temporary signals at multiple project locations.
- Mesa Road: Excavation and grading work are scheduled.
- Bridge Foundations: Work on drilled shafts and abutments continues at the new US 101/SR 25 connector and the SR 25/US 101 separation.
- Hillside Retaining Wall: Rebar work and cable railing installation through late September.
Why
VTA continues construction on the US 101/SR 25 Interchange Project in Gilroy. Next week, motorists and nearby residents can expect the following construction activities and impacts.
Detour
Night Work, Southbound On/Off-Ramp Closures and Detours:
- September 22-26, 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
Community Impacts
- Night Work: Excavation and soil hauling will occur at night during this period.
- Traffic Breaks on US 101: Short, intermittent traffic stops in coordination with CHP for safe delivery of large structural materials.
- Lighting and Noise: Nighttime work may generate additional lighting and construction noise in the vicinity of the project.
Stay Informed:
For more information, visit https://www.vta.org/projects/us-101sr-25-interchange-phase-1 | contact VTA Community Outreach at (408) 321-7575 or email community.outreach@vta.org
Traffic Impacts