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Home>Projects and Programs>U.S. 101 Improvement Project (Capitol Expressway to Yerba Buena Interchange)

U.S. 101 Improvement Project (Capitol Expressway to Yerba Buena Interchange)

Image of Capitol Expressway interchange 4-28-14
Image of Capitol Expressway interchange 4-28-2014



Capitol Expressway to yerba Buena Interchange Project Map

Project Overview

The project will make improvements to Interchange at Capitol Expressway and ramp modifications at Yerba Buena Road.


The purpose of this project is to reduce traffic congestion and improve safety along the U.S. 101 corridor in east San Jose by eliminating mainline traffic bottlenecks and removing merging and weaving conflicts.

Project Features

The proposed improvements would:
  • Construct a separate Yerba Buena Road off-ramp from southbound U.S. 101
  • Construct a southbound U.S. 101 auxiliary lane between the Capitol Expressway and Yerba Buena Road.
  • Modify Capitol Expressway Interchange from full cloverleaf to partial cloverleaf.
  • Extend the fifth southbound lane from north of Capitol Expressway to south of Yerba Buena Road.
  • Construct northbound slip on-ramp from northbound collector - distributor road.


Upon completion, Caltrans will operate and maintain the highway improvements.

Capitol Cost / Project Funding

$22.4 million in Corridor Mobility Improvement Account (CMIA)
$1.1 million in Regional Surface Transportation Program (RSTP)
$7.1 million in Local Funds
$30.6 million Total Funding

Project Schedule

Construction Start - Fall 2012
Completed - Early 2014
Project Fact Sheet
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How to Reach Us

For more information on this project, please call VTA’s Community Outreach at (408) 321-7575, TTY for the hearing-impaired (408) 321-2330 or e-mail us at

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