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City Maps
City of Diamond Bar

  Click here to visit Brea Canyon Road Grade Separation Fact Sheet
Click here to download printable version of this page (PDF format)

Click on the location of the construction for more detailed information


Signing & Striping

 

Railroad Signal
Improvements

 

Traffic Signal
Improvements

 

Construction of New Sidewalks

 

Crossing Closure

Lemon Ave. (UP)

Lemon Ave. (UP)

Brea Canyon Rd. (SP)

Lemon Ave. (UP)

Pomona Blvd. with construction of Temple Ave. Train Diversion project

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Brea Canyon Rd. (SP)

Brea Canyon Rd. (SP)

Median Improvements

Brea Canyon Rd. (SP)

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Brea Canyon Rd. (SP)

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JUMP START PROJECTS

Jump-Start safety upgrade program improvements at 39 grade crossings along the 35-mile ACE corridor have been completed. “Jump-Start” improvements are designed to increase safety and reduce congestion at these grade crossings. Construction of new medians to prevent motorists from driving around safety gates, construction of new sidewalks, installation of railroad and traffic signal measures, pedestrian safety and road restriping improvements have been completed at all of the ACE project grade crossings in or near the City of Diamond Bar. Construction of safety improvements at Lemon Avenue (UP) was completed in October 2002, and completed at Brea Canyon Road (SP) in December 2002. 

GRADE SEPARATIONS UNDERWAY IN OR NEAR THE CITY OF DIAMOND BAR

Construction is completed at the first three out of twenty ACE grade separation projects. Construction is underway or funded at seven more. These major construction projects will depress the roadway or elevate the train tracks to physically separate rail and vehicle traffic at the most heavily congested rail crossings. The following two grade separation projects will be constructed in or near the City of Diamond Bar:

TEMPLE AVE. TRAIN DIVERSION PROJECT: Construction began in Spring 2005 and has an estimated cost of $63.4 million. This project will be completed in Winter 2007.
BREA CANYON RD. (LA) - Construction began in July 2006 and will be completed in the late Summer of 2008. The cost of this project is estimated at $65.1 million. 

 

Copyright: ACE Construction Authority, 2001. All rights reserved.
Temple City Blvd Baldwin Ave Arden Dr Tyler Ave Ramona Blvd Cogswell Rd