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The original item was published from 10/27/2013 8:48:48 AM to 11/1/2013 12:05:00 AM.

News Flash

Public Works Department

Posted on: October 27, 2013

[ARCHIVED] Caltrain Work Along Rail To Begin Near Atherton


Caltrain will be working on the installation of the Communications Based Overlay Signal System (CBOSS) Positive Train Control (PTC) Project. The CBOSS PTC Project is an advanced signal system that will equip the corridor with federally-mandated safety technology and will increase system capacity to help accommodate future ridership demand. The project will monitor and, if necessary, control train movement in the event of human error. This will increase safety by:

* Eliminating the risk of train-to-train collisions.
* Reducing risk of potential derailments by enforcing speed limits.
* Providing additional safety for railroad workers on the tracks.

Improving grade crossing performance to reduce gate downtime and improve local traffic circulation. The CBOSS PTC Project is also a key component of the Caltrain Modernization Program, which will electrify the Caltrain Corridor by 2019. An electrified Caltrain will be cleaner, quieter, and will upgrade the system to provide faster and/or more frequent service to more stations and more riders. To implement the project, Caltrain will be identifying utilities, digging a small trench and/or boring close to the tracks to install a fiber optic cable. In order to maintain daytime train service, Caltrain will be performing some of this work at night.

For more information, please call the dedicated outreach line at 650.508.6499; visit the website at or email

Over the next few weeks, CalTrain will also be performing some routine maintenance at several locations. To avoid delays to passengers, the work will mainly 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. This work will not disrupt Caltrain service.

From San Mateo to Atherton:

Sunday, Oct. 27 and Monday, Oct. 28, crews will resurface tracks between the San Mateo and Atherton stations.

Tuesday, Oct. 29, to Thursday, Oct. 31, crews will resurface tracks between the Hillsdale and Atherton stations.

From Redwood City to Atherton

Monday, Oct. 28, crews will weld and grind tracks between the Redwood City and Atherton stations.

For detailed information, visit the Caltrain website.

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