TRAFFIC ADVISORY: Night Work & Lane Closures: March 23–27, 2026

Notice Cause
Construction
Notice Effect(s)
Detour
Lane Closure
Noise
Noise and Vibration
Traffic Delays
Start Date
End Date

Related

US 101/SR 25 Interchange - Phase 1
What
Map of overnight closures at the US 101 and SR 25 interchange. The southbound US 101 off-ramp to SR 25 and the SR 25 on-ramp to southbound US 101 are closed from 8:00 PM to 6:00 AM beginning March 23, 2026. A yellow dashed line shows the detour route through the SR 25 intersection. Directions to San Jose, Salinas, and Hollister are labeled, with construction icons and a north arrow included.

Night Work & Lane Closures: March 23–27, 2026

When to Expect Impacts

  • Monday, March 23 through Friday, March 27
  • Nightly work hours, between 8:00 pm – 6:00 am(exact times may vary)

Traffic Impacts

Motorists should expect:

  • Intermittent nighttime lane closures on US 101 and SR 25
  • Impacts near the southbound US 101 off-ramp to SR 25
  • Reduced lanes and brief delays through active work zones

Type of Work

  • Roadway excavation and grading
  • Guardrail repair and replacement near US 101 ramps
  • Lane striping on SR 25
  • Ongoing bridge construction
Why

VTA advises motorists of nighttime construction activities and lane closures at the US 101 / SR 25 interchange in Gilroy.

Work Locations

  • US 101 near the SR 25 interchange
  • Southbound US 101 off-ramp to SR 25
  • SR 25 (eastbound and westbound)
  • Areas near ongoing bridge construction (connector structures)
Detour

Detour Routes 

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

What Drivers Should Know

  • Allow extra travel time when traveling at night
  • Follow posted detours and signage
  • Watch for construction crews and equipment
  • Expect noise and lighting in the work area during nighttime hours

Stay Informed

Traffic conditions may change due to weather or construction. For updates, 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

Detours

VTA will have ongoing overnight ramp closures at the US 101/SR 25 Interchange beginning next week as part of ongoing construction improvements.  Closures will continue into the following week. 

Starting Monday, March 23, at 8:00 pm.

The following ramps will be closed overnight: 

  • Southbound US 101 on-ramp from SR 25 
  • Southbound US 101 off-ramp to SR 25 

All ramps are expected to reopen by 6:00 AM each morning.