US 101/De La Cruz Boulevard/Trimble Road Interchange Improvements

Overview

The Santa Clara Valley Transportation Authority (VTA), in cooperation with the City of San Jose and the California Department of Transportation (Caltrans), proposes to reconstruct the US 101/Trimble Road interchange and to widen Trimble Road between De La Cruz Boulevard/Seaboard Avenue and Central Expressway in the City of San Jose and City of Santa Clara. This project is funded by the 2016 Measure B sales tax. 

Objectives

The purpose of this project is to improve traffic and enhance safety for vehicles merging onto southbound US 101 from the De La Cruz Boulevard/Trimble Road...

Overview

The Santa Clara Valley Transportation Authority (VTA), in cooperation with the City of San Jose and the California Department of Transportation (Caltrans), proposes to reconstruct the US 101/Trimble Road interchange and to widen Trimble Road between De La Cruz Boulevard/Seaboard Avenue and Central Expressway in the City of San Jose and City of Santa Clara. This project is funded by the 2016 Measure B sales tax. 

Objectives

The purpose of this project is to improve traffic and enhance safety for vehicles merging onto southbound US 101 from the De La Cruz Boulevard/Trimble Road interchange in the City of San Jose, and improve mobility and enhance safety for bicyclists and pedestrians traveling across the interchange adjacent to the San Jose International Airport.

Project Features

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

  • Replacing the existing US 101 overcrossing to provide additional lanes and accommodate bike and pedestrian facilities.
  • Widening Trimble Road to six travel lanes through the interchange.
  • Reconstructing the southbound exit loop to a partial cloverleaf design incorporating a new intersection on De La Cruz Boulevard.
  • Configuring the interchange and surface street improvements for multi-modal uses, including pedestrians and bicyclists.
  • Reconstructing the intersection of De La Cruz Boulevard/Trimble Road and Central Expressway to provide bike lanes, and additional through and turning lanes.
  • Adding a Class I bikeway along the west side of De La Cruz Boulevard from Seaboard Avenue to Central Expressway.

Environmental

The project is Categorically Exempt under Class 1 of the State California Environmental Quality Act (CEQA) guidelines. A Categorical Exemption is the appropriate level of environmental review for the project.

Flyover Video

Flyover Video

Disclaimer: Please note that this video is an incomplete model. It contains minor inaccuracies and inconsistencies with the final design details.  

Community Outreach

For more information about this project email VTA Community Outreach at community.outreach@vta.org, or call (408) 321-7575.

Timeline

Title
Environmental Clearance
Phase Date Range
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Environmental Clearance Completed
Milestone Date
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Design and Engineering
Phase Date Range
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Title
Blog Post: Reconstruction This Summer for US 101/De La Cruz Boulevard/Trimble Road
Milestone Date
Body

The US 101/De La Cruz Interchange, in San Jose, is getting a much-needed makeover beginning this summer as a 2016 Measure B-funded project. VTA and the City of San Jose, in cooperation with the California Department of Transportation (Caltrans), will begin the reconstruction of the US 101/De La Cruz Boulevard/Trimble Road interchange. Read more here

Title
Construction
Phase Date Range
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Title
Blog Post: US 101 De La Cruz/Trimble Interchange Virtual Community Meeting
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As traffic begins to build up again, you may be interested in what we’re doing to relieve congestion at the US 101/De La Cruz Boulevard/Trimble Road Interchange. Please join us for a virtual community meeting to learn about planned improvements slated to begin construction in early September. Read more here

Title
Online Community Meeting: Construction Kick-Off
Milestone Date
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Pre-Construction Meeting

On August 25, 2021, VTA and project partners hosted a online community meeting with a presentation and provided an opportunity for the public to ask questions about the upcoming construction improvements. The presentation is available to view on the VTA YouTube Channel.

Title
Project Launch & Ground Breaking Event
Milestone Date
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US 101/De La Cruz Blvd./Trimble Rd. Interchange Improvement Project Launch Event

VTA, Caltrans, the City of San Jose, the City of Santa Clara, and project partners celebrated the project launch of the US 101 interchange at De La Cruz Blvd. and Trimble Rd. Click here to watch the video.

Title
Weekend on-ramp closure toward northbound US 101 off De La Cruz Blvd. (November 19-22)
Milestone Date
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Scheduled weekend closure of the US 101 on-ramp off De La Cruz Blvd. The on-ramp closure will begin Friday, 11/19 at 8:00 pm to Monday, 11/22 at 5:00 am. Detailed construction notice here.

Title
Pile driving near northbound US 101 next to De La Cruz Boulevard (Feb 14-March 1)
Milestone Date
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Scheduled pile-driving will take place for the new De La Cruz Boulevard bridge overcrossing above US 101. Detailed construction notice here

Title
Temporary traffic signals have been installed at new US 101 southbound off-ramp onto De La Cruz Boulevard.
Milestone Date
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The temporary traffic signals will be activated Tuesday, April 26 at 10:00 AM. Detailed construction notice here.

Title
Scheduled night work requires lanes closures on both southbound W. Trimble Road and northbound De La Cruz Blvd.
Milestone Date
Body

Lane night lane closures on Tuesday, April 26 & Wednesday, April 27 between 10:00 p.m.-5:00 a.m. Detailed construction notice here

Title
Temporary nightwork & lane closures along De La Cruz Blvd. & northbound US 101 off-ramp toward De La Cruz Blvd./Trimble Rd. (July 18-22)
Milestone Date
Body

To install a new underground irrigation and drainage system along multiple lanes of De La Cruz Blvd between Seaboard Ave & US-101 southbound off-ramp, scheduled night work and lane closures will take place July 18-22, between 10:00 pm-5:00 am nightly. Detailed construction notice here.

Title
Overnight US-101 closures at De La Cruz Blvd interchange & De La Cruz Blvd between Central Expressway to Seaboard Avenue. (Aug 29-Sept 1)
Milestone Date
Body

Nighttime freeway closures & street closures at the US-101/De La Cruz Blvd/Trimble interchange, (Aug 29-Sept1). Detailed construction ntoice here

Title
Contractors lift concrete beams into place high over the US-101 to build the new De La Cruz Boulevard overcrossing bridge
Milestone Date
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101 de la cruz time lapse

Over a four-night period (8/29-9/1) several 75ft. concrete beams were lifted in place over the US-101/De La Cruz Boulevard interchange. Click here to watch the video.  

Title
Weekend loop on-ramp closure toward southbound US-101 off De La Cruz Blvd. (December 17-19)
Milestone Date
Body

Scheduled construction activities require a weekend closure of the southbound loop on-ramp to US-101 off De La Cruz Blvd. The on-ramp will be closed from 5:00 AM Saturday, 12/17 to 5:00 AM Monday, 12/19. Detailed construction notice here.

Title
Weekend US 101/De La Cruz Blvd. Ramp Closures (February 3-6)
Milestone Date
Body

Weekend closure of the De La Cruz Blvd. to southbound US-101 on-ramp, and the southbound US-101 to De La Cruz Blvd off-ramp. Detailed construction notice here.  

Title
-UPDATE- Overnight US-101 Highway Closures 3/29-4/5 (no closures during the weekend)
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Due to weather, there is an update to the scheduled demolition of the old De La Cruz overcrossing above US-101 requires overnight closures of the north and southbound US-101 at the De La Cruz/Trimble interchange & De La Cruz Blvd between Central Expressway to Seaboard Avenue. Detailed construction notice here.

Title
Nightly US-101 Highway & De La Cruz Blvd on & off-ramp closures on 7/18 & 7/19.
Milestone Date
Body

The south and northbound US-101 at De La Cruz/Trimble interchange will be closed overnight July 18 & 19, for girder/beam work at the US-101/De La Cruz Blvd. between the northbound on and off-ramps and the southbound on and off-ramps. Detailed construction notice here.

Title
Project Update Newsletter (August 2023)
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Construction on the US 101/De La Cruz Blvd/Trimble Road Interchange project is progressing on schedule. Read more here.

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Blog Post: Innovating Infrastructure: Innovating Infrastructure at Newly Configured Interchange
Milestone Date
Body

If you’ve driven through the US 101/De La Cruz Blvd./Trimble Rd. Interchange lately, you may have noticed that the traffic signals look unusual and wondered why that is. Read more here.

Title
Ribbon-Cutting Ceremony
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VTA, the City of San Jose, the City of Santa Clara, and Caltrans held a ribbon-cutting ceremony on-site to celebrate the official opening of the new and improved interchange. The event took place on the newly constructed pedestrian/bicycle underpass path, providing a firsthand look at the enhancements designed to benefit both motorists and non-motorists alike.

Ribbon Cutting Pic
Right to left: Deputy Director Jessica Zenk, Asst. General Manager Greg Richardson, CTC Chairperson Carl Guardino, Dist. Director Dina El-Tawansy, City of Santa Clara Mayor Lisa Gillmor

Funding

Total Funding
$70-75 Million
Amount
$70-75 Million

Map

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