Overnight Ramp and Lane Closures on Interstate 280


District:4 - Oakland
Contact: Victor Gauthier
Phone:    (510) 286-6115

In Multiple Cities within San Mateo/Santa Clara Counties
Beginning the week of April 14, 2020

Santa Clara and San Mateo Counties – Caltrans will begin a resurfacing and improvement project on Interstate 280 (I-280), in the following cities; Menlo Park, Los Altos, Los Altos Hills, Cupertino, and Palo Alto. The project will begin north of Sand Hill Road in San Mateo County, to Foothill Boulevard in Santa
Clara County.

Overnight Ramp and Lane Closures on Interstate 280 Map

Construction will include grinding and paving, curb ramps and guardrails enhancements to preserve and extend the life of the existing pavement and improve ride quality on I-280. Project activities will be conducted during the evening. Intermittent ramp and lane closures will take place with at least one lane for traffic throughout the night. Detours will be in place. Work will continue throughout the Summer of 2022.

Overnight Work Schedule:

Northbound and Southbound I-280

  • Monday through Friday: 7:00 PM to 7:00 AM

Residents will experience normal construction noise, which will be monitored. Message and directional signs will be in place to assist motorists traveling in the area.

For 24/7 traffic updates, follow 511.org: https://twitter.com/511SFBAY.

For real-time traffic, click-on Caltrans QuickMap: http://quickmap.dot.ca.gov/.