Los Angeles County Metropolitan Transportation Authority
Date Started:
Nov 26, 2018
Date Completed:
Sep 30, 2020
Los Angeles, CA
About Project

The intent of the Expo Aspect Standardization Project was to bring the entire Expo Line (Expo Line 1 and Expo Line 2) aspects to to LACMTA’s new aspect standards. The project consisted of 19 Interlocking and Intermediate locations that required software and hardware modifications.

Project Scope, Successes

    Pacific Railway Enterprises, Inc. (PRE) was responsible for Preliminary Software Design, Final Software Design, Delivery of EEPROMS, Field Support, and As-Built Documentation for all train control locations required on Expo Line Phase 1 (S004A through S065 inclusive).

    PRE was responsible for the software modifications to Expo Line 1 at the following locations:

    • S004A – Maple
    • S006A – Venice 
    • S008B – Junction
    • S008C – Junction
    • S010 – 22nd C1
    • S010 – 22nd C2
    • S020 – Jefferson
    • S025 – USC Expo
    • S030 – Vermont
    • S040 – Crenshaw
    • S046 – Hauser
    • S050B – La Cieneg
    • S060A – National
    • S060C – National
    • S065 – Culver City

    PRE back checked Expo Line 2 software design done by others. 

    PRE was also responsible for developing all test documentation and In-service testing.

    All software modifications have been made, test plans developed and 6 locations have been placed in-service (by others).

Project Highlights

    • Preliminary Software Design
    • Final Software Design
    • Delivery of EEPROMS
    • Field Support
    • As-Built Documentation