Construction, Installation and Maintenance: July 5 to July 11, 2014
July 3, 2014
Construction
There are no major construction projects at this time.
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Installation
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 and the trains with federally-mandated safety technology and will increase system capacity to help accommodate future ridership demand.
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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, at various locations, 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.
Redwood City
Day work will occur July 7–July 11 from 7 a.m. to 5 p.m. to identify utility lines, pull inner-duct through existing conduit in the ground, and pull/test fiber optic cable. Crews will also install conduit and pull fiber optic cable on the Dumbarton Spur. Crews will work as quietly as possible.
Menlo Park
Day work will occur July 7–July 11 from 7 a.m. to 5 p.m. to identify utility lines, pull inner-duct through existing conduit in the ground, and pull/test fiber optic cable. Crews will also install conduit and pull fiber optic cable on the Dumbarton Spur. Crews will work as quietly as possible.
Unincorporated San Mateo County, Atherton, Palo Alto, Mountain View, Sunnyvale, Santa Clara, San Jose
Day work will occur July 7–July 11 from 7 a.m. to 5 p.m. to identify utility lines, pull inner-duct through existing conduit in the ground, and pull/test fiber optic cable. Crews will work as quietly as possible.
For more information, please call the dedicated outreach line at 650.508.6499; visit the website at www.caltrain.com/CBOSSPTC or email caltrainptc@samtrans.com.
Maintenance
Caltrain will perform routine maintenance at several locations next week. To avoid disruptions to service, 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. For more information about this type of work, click here.
San Francisco
Sunday, July 6, crews will replace ties at the 4th and King streets station. Sunday, July 6, crews will resurface rail between the 22nd Street and Bayshore stations.
San Francisco to San Jose
Saturday, July 5, to Friday, July 11, crews will pressure wash and perform janitorial work at Caltrain stations between the San Francisco and Tamien stations.
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