Foothill Expressway Improvement Project

last updated:09/21/2021 - 11:37

Foothill Expressway Operational Improvements between El Monte Avenue and San Antonio Road Project.

Project Update
The County of Santa Clara and the City of Los Altos staff collaborated with the community to develop a design to improve bicycle movements on Foothill Expressway. 
Foothill El Monte Transition Bars
Los Altos Bicycle Lane Press Release

Project Description
The project will widen Foothill Expressway between El Monte Avenue and San Antonio Road by adding an auxiliary lane in each direction. The project will also include intersection improvements at El Monte Avenue and San Antonio Road.

Project Features:

  •  ​Adding a second through lane on westbound El Monte Avenue while maintaining the dedicated right turn pocket.
  •  Adding a second right turn lane from southbound Foothill Expressway onto westbound El Monte Avenue.  
  • Squaring all four corners at the intersection Foothill Expressway and El Monte Avenue to improve bicycle and pedestrian safety.
  • Road widening, geometric modification, modification of traffic signals, pavement treatment,  pavement delineation, landscaping, irrigation, and other related improvements. 

Construction Schedule:
Project advertisement: November 5, 2019
Bid Opening: December 12, 2019
Bid award: January 29, 2010
Pre-construction meeting: March 18, 2020
Roadwork substantially completed: July 2021
Bike Lane Improvements: currently underway.   

Measure B, SB1, TDA, City of Los Altos and County Road Fund.

Project Location:
Located in City of Los Altos on Foothill Expressway between El Monte Avenue and San Antonio Road.

Community Outreach:
Los Altos BPAC: 6/28/2017
Community Meetings: 6/29/2017, 2/4/2020
VTA/County BPAC: 7/12/2017
City Council Study Session: 8/22/2017
Complete Streets Commission: 2/28/2018; 8/22/2018
City Council Meeting: 1/28/2020
Community Workshop jointly hosted by the County and the City of Los Altos: 7/27/2021

Get Involved
Contact Project Manager via email at [email protected]

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Related Documents:

​Past Community Meetings:

The County of Santa Clara and the City of Los Altos hosted a virtual workshop seeking feedback about Foothill Expressway. 
Please see flyer for more information
Date:  Tuesday, July 27, 2021 - 5:30 p.m. to 7:30 p.m.
Workshop link : 
Link to recorded Foothill Exp. Workshop Meeting
Presentation slides posted in the Related Documents section.

A meeting was held on February 28, 2018 to present the updated plans. 

A community me​eting was held on June 29,  2017 to present an overview of the concepts and receive​ feedback. 

​​​​​Additional Related Documents

Soil Testing Reports for Contaminated Soil and Sampling map

Soil Testing Reports for Uncontaminated Soil

Project Concept Alternatives

Project Design Plans

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