US 101/Blossom Hill Road Interchange Improvement Project

The Santa Clara Valley Transportation Authority (VTA), in cooperation with the City of San José, and the California Department of Transportation (Caltrans), proposes to modify the Blossom Hill Road interchange on United State Route 101 (US 101) in the City of San José. This project is funded by the 2016 Measure B sales tax. 

Objectives

The purpose of this project is to:

  • Relieve congestion and improve traffic operations on the freeways and local roadways in the vicinity of the US 101/Blossom Hill Road interchange; and
  • Improve bicycle and pedestrian connectivity along Blossom Hill...

The Santa Clara Valley Transportation Authority (VTA), in cooperation with the City of San José, and the California Department of Transportation (Caltrans), proposes to modify the Blossom Hill Road interchange on United State Route 101 (US 101) in the City of San José. This project is funded by the 2016 Measure B sales tax. 

Objectives

The purpose of this project is to:

  • Relieve congestion and improve traffic operations on the freeways and local roadways in the vicinity of the US 101/Blossom Hill Road interchange; and
  • Improve bicycle and pedestrian connectivity along Blossom Hill Road and surrounding areas.

Project Features

The proposed improvements include, but are not limited to, the following:

  • Construction of a bridge structure over US 101 between two existing Blossom Hill Road bridges to accommodate the addition of one lane in each direction plus an eastbound dedicated lane leading to the northbound loop on-ramp
  • Widening of the existing US 101 northbound off-ramp to accommodate two left-turn lanes, one through lane, and one right-turn lane
  • Reconfiguration of the eastbound approach to the Blossom Hill Road/northbound off-ramp/Coyote Road intersection to accommodate two left-turn lanes and two through lanes and the modification of the existing traffic signal at the intersection
  • Widening of the existing US 101 southbound off-ramp to accommodate three right-turn lanes and one left-turn lane along with modification of the existing traffic signal at the intersection
  • Realignment of the entrances to the existing US 101 southbound and northbound loop on-ramps
  • Reconfiguration of Monterey Road to eastbound Blossom Hill Road connector ramp to increase merging distance between Monterey Road and US 101 southbound on-ramp
  • Installation of Class I Bicycle/Pedestrian path from Xander’s Crossing at Monterey Road to Coyote Creek trail

How to Reach Us

For more information on this project, please call VTA’s Community Outreach at (408) 321-7575, (TTY) 408-321-2330, or community.outreach@vta.org.

Timeline

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Alternatives Analysis
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Environmental Clearance
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Design and Engineering
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Construction
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Title
Blog: Traffic Improvements Coming to Blossom Hill at US 101
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VTA construction is getting underway to transform the Blossom Hill Interchange at US 101 to improve bicycle and pedestrian connections and ease traffic congestion. Interested members of the community will have the opportunity to learn more about the project and ask questions at a virtual meeting on Thursday, September 17 at 6 p.m. Read more...

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Virtual Open House
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On September 17, 2020, VTA and project contractors hosted a Virtual Open House with a presentation and provided an opportunity for the public to ask questions about the construction improvements. The presentation is available to view on the VTA YouTube Channel.

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Late-night to Early-morning full freeway closure from 1/25 to 2/5, at the US 101/Blossom Hill Road Overcrossing.
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Freeway US 101 at Blossom Hill Road was subject to complete freeway closure between 1/25 to 2/5 nightly, for the erection of falsework (temporary support structure for the bridge) of the US 101/Blossom Hill Road overcrossing.

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Overnight full freeway closure on 3/8 and 3/9, at the US 101/Blossom Hill Road Overcrossing.
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Overnight full freeway closure on 3/8 and 3/9, for the adjustment of falsework (temporary support structure for the bridge) of the US 101/Blossom Hill Road overcrossing. Watch the construction notice video here

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Overnight full freeway closure on 5/3-5/10, at the US 101/Blossom Hill Road Overcrossing.
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Overnight full freeway closure from 5/3-5/10 for the removal of falsework (temporary support structure for the bridge) along the US 101/Blossom Hill Road overcrossing. Detailed construction notice here

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Late-night to early-morning traffic lane shifting of the US 101 southbound off-ramp & southbound loop on-ramp on 7/30/21.
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The US 101 southbound off-ramp and southbound loop on-ramp will be closed on Friday night (7/30/21), between the hours of 9:00 p.m. to 5:00 a.m. Detailed construction notice here.

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Late-night to early-morning freeway closure from 8/16 to 8/21 of the US 101/Blossom Hill Road Overcrossing.
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Full freeway closure between 8/16-8/21, for the removal of overcrossing/bridge concrete barrier. Changeable message signs and directional signs will be in place to assist motorists traveling in the area. Detailed construction notice here

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Pile driving at the US 101 southbound loop on-ramp off Blossom Hill Rd.
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Foundation construction of the pedestrian undercrossing will require 3-days of pile driving at the US 101 southbound loop on-ramp off Blossom Hill Rd. Work will take place August 17-19, from 7:00 a.m. to 4:00 p.m., daily. Detailed construction notice here

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Late-night to early-morning north & southbound inside lane closures along US 101 at Blossom Hill Rd. interchange, 10/26-10/29, from 7pm-5am.
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Temporary inside lanes closures of US 101 for both north & southbound traffic scheduled to take place from Tuesday, October 26 through Friday, October 29, from 7:00 pm to 5:00 am, daily. Detailed construction notice here

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Temporary northbound US-101 on-ramp closure on Blossom Hill Road, 11/29-12/17, from 10am-2pm daily.
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Temporary northbound US-101 on-ramp closure off Blossom Hill Road beginning Monday, November 29 through Friday, December 17, from 10:00am-2:00pm daily. Detailed construction notice here

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Blog: New Traffic Signals to Improve Bike/Ped Safety at US 101/Blossom Hill
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As construction continues on the US 101/Blossom Hill Road Interchange Improvement Project, drivers, bicyclists, and pedestrians alike will notice some signal and signage changes that improve safety along the northbound off-ramp at the intersection of Silver Creek Valley Road/Blossom Hill Road and Coyote Creek Road. Read more...

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Temporary northbound US-101 on-ramp closures on Blossom Hill Road (1/31-2/11)
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Scheduled work will require temporarily closing the northbound US 101 on-ramp off westbound Blossom Hill Road beginning January 31, 2022, through February 11, 2022, from 10:00 am-2:00 pm daily. Detailed construction notice here

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Temporary northbound US-101 on-ramp closures on Blossom Hill Road (4/4-4/8)
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Scheduled work will require temporarily closing the northbound US 101 on-ramp off westbound Blossom Hill Road beginning April 4-8, 2022 from 10:00 a.m.-2:00 p.m. daily. Detailed construction notice here

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Late-night to early-morning north & southbound inside lane closures along US 101 at Blossom Hill Rd. interchange, 10/26-10/29, from 7pm-5am.
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Temporary inside lanes closures of US 101 for both north & southbound traffic are scheduled to take place on May 5 & 6, from 7:00 p.m. to 5:00 a.m., each night. Detailed construction notice here

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Pedestrian overcrossing bridge hoisting (5/11/12)
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POC bridge hoisting video (5/11/22)

On Wednesday evening May 11, 2022, VTA-led construction crews hoisted a pedestrian overcrossing bridge into place above the US 101 on-ramp off westbound Blossom Hill Road. Click here to watch the video.  

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Bike and pedestrian path open for public use.
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Bike and pedestrian traffic will begin using the new Bicycle/Pedestrian path (as marked in green on the project map) to increase safety in the work zone during the final construction phases of the US 101/Blossom Hill Road Interchange. Detailed construction notice here.

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Contractors begin to remove all K-rails related to the project.
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Between July 21 and 22, all project-related K-rails will be removed between US 101/Blossom Hill Road interchange and Xander’s Crossing at Monterey Road. Detailed construction notice here.

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Final repaving begins in all project areas.
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Between July 25 and 29, final repaving will occur between US 101/Blossom Hill Road interchange and Xander’s Crossing at Monterey Road. Detailed construction notice here.

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Construction & repaving of the Odette Morrow Trail off Coyote Creek Road
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Construction and repaving of the Odette Morrow Trail spur off Coyote Creek Road 8/15-8/17 between 6 a.m.-5 p.m., daily. Detailed construction notice here.

Funding

Total Funding
$35 Million
Amount
$35 Million

Map

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