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...
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
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
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Environmental Clearance
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Design and Engineering
Phase Date Range
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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.
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Construction
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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.
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.
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.
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.
Scheduled pile-driving will take place for the new De La Cruz Boulevard bridge overcrossing above US 101. Detailed construction notice here.
The temporary traffic signals will be activated Tuesday, April 26 at 10:00 AM. Detailed construction notice here.
Lane night lane closures on Tuesday, April 26 & Wednesday, April 27 between 10:00 p.m.-5:00 a.m. Detailed construction notice here.
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.
Nighttime freeway closures & street closures at the US-101/De La Cruz Blvd/Trimble interchange, (Aug 29-Sept1). Detailed construction ntoice here.
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.
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.
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.
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.
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.
Construction on the US 101/De La Cruz Blvd/Trimble Road Interchange project is progressing on schedule. Read more here.
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.
