Week-Long Caltrain Construction Projects Start Saturday

Several projects will be worked on along the Peninsula over the week of Saturday, Sept. 22 through Friday, Sept. 28. Read here for details on how routes may be affected.

Submitted by Caltrain staff.

Caltrain officials announced that several week-long construction projects will take place from Saturday, Sept. 22 through Friday, Sept. 28.

San Bruno Grade Separation Project

Day work, which includes digging with a backhoe and mini-excavator, will be done from 7 a.m. to 4 p.m. Crews will install utility infrastructure, place concrete panels using a crane, excavate, and pour concrete. Crews will use medium- and heavy-duty diesel vehicles to transport dirt and concrete.

Night work will occur from Sunday, Sept. 23, through Friday, Sept. 28, between 11 p.m. and 7 a.m. Crews will operate machinery to vibrate steel supports from the ground, and will use a crane to place concrete panels. Lanes on San Mateo Avenue near San Bruno Avenue may be temporarily closed as needed. Traffic cones and flaggers will direct motorists and pedestrians around the affected areas.

This $147-million project will elevate the Caltrain tracks above three existing at-grade street crossings at San Bruno, San Mateo and Angus avenues.  A new elevated Caltrain station between San Bruno and San Mateo avenues will replace the station at Sylvan Avenue.

For more information on this specific project, please call the dedicated outreach line at 650.508.7726 or e-mail sbgradesep@caltrain.com.


Caltrain will perform routine maintenance at several locations next week. To avoid delays to passengers, the work will take place Saturday through Friday from 8 p.m. to 6 a.m. There will be some construction noise but crews will work as quietly as possible. For more information about this type of work, click here. 

San Francisco to San Jose

Saturday, Sept. 22, through Friday, Sept. 28, crews will power-wash and perform janitorial work at Caltrain stations between the San Francisco and Tamien stations.

San Francisco to San Bruno

Monday, Sept. 24, through Wednesday, Sept. 26, crews will weld along the tracks between the Bayshore and San Bruno stations. Sunday, Sept. 23, crews will operate medium-duty, on-track machinery to remove and replace ties between the Bayshore and San Bruno stations.

Menlo Park to Sunnyvale

Sunday, Sept. 23, through Wednesday, Sept. 26, crews will operate medium duty on-track machinery to grind and align tracks between the Menlo Park and Sunnyvale stations.

Menlo Park to Mountain View

Monday, Sept. 24, to Wednesday, Sept. 26, crews will operate medium-duty, on-track machinery to remove and replace ties between the Menlo Park and San Antonio stations. 

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