Pacific Railway Enterprises, Inc. (PRE), A Woman Owned Corporation specializing in Railroad System Design and Consulting has been in operations since May 1994, provides an array of services to our clients. PRE's staff have amassed an impressive accumulation of railroad communications and signal expertise in the areas of railroad freight, light rail, commuter and transit signal design, inspection, construction management and maintenance services.

  • A Woman Owned Corporation specializing in Railroad Signal Design and Consulting
  • Certified Small Business - CA No. 36200
  • California DBE, NAICS Codes 541330, 541340, 541512
  • Washington DBE - No. D2F0024183
  • Texas DBE/WBE - CIN #WFDB91595N0119
  • Oregon DBE/WBE - No. #8559
  • New Mexico DBE - No. 18-02-630
  • Utah DBE
  • Florida DBE
  • Massachusetts DBE

Major Project Accomplishments

ACTA - Alameda Corridor


The Alameda Corridor Transportation Authority (ACTA) was established to develop improvements in rail transport services between the ports and the main transportation corridors of the Union Pacific Railroad (UPRR) and the BNSF Railway. Having provided signal system design services to the Port of Los Angeles (POLA) and the Port of Long Beach (POLB) since 1995, PRE was chosen to provide design services to Tutor-Saliba, the design-build contractor for the Alameda Corridor. The Alameda Corridor project between Los Angeles and the Port of Los Angeles and the Port of Long Beach, included construction of 21 control points, 5 intermediate signal locations, 18 highway grade crossings including UPRR Bypass Track alongside Alameda Street, numerous hazard detectors, as well as communication interfaces with UPRR and BNSF Railroads. The 17 mile long corridor consists of three main tracks with over 100 power turnouts.

Additional services provided to ACTA by PRE have included the development of design documents for all CTC wayside signal systems in the POLA and POLB. PRE has developed signal standards for the ports which are used in port signal projects. In addition to wayside signal and highway grade crossing systems, PRE provided specifications and contract drawings for the dispatch system that controls all main line train movements in the port area.

In accordance with contractual agreements between both ports and the BNSF Railway and UPRR, all signal system designs are closely scrutinized by each railroad’s signal engineering group. PRE has established an excellent working relationship with the BNSF and UPRR signal engineering groups to ensure all port projects move forward without delay. Having intimate knowledge of each railroad’s standards and method of operation, PRE has been successful in bringing all issues to the forefront and resolving each without impact to the project schedule.

Client Information



The Alameda Corridor is a 20-mile stretch in southern Los Angeles County, California, running from Long Beach and Los Angeles north to downtown Los Angeles.

In the mid-1980s, a plan was formed to improve cargo rail service between the transcontinental rail yards east of Los Angeles and the Ports of Long Beach and Los Angeles. The objective of the corridor was to increase the speed of the cargo trains by directing surface traffic over or under the track. The benefits of the corridor included additional volume of rail traffic, reduced delays to street traffic, and increased quality of life along the rail route. The Alameda Corridor Transportation Authority (ACTA) was formed to manage this immense project.

A major part of the project was accomplished by creating a 10-mile long trench, 33 feet deep by 50 feet wide, running directly down the middle of Alameda Street. It accommodates three rails. Construction included the removal of 4 million cubic yards of dirt, the relocation of several Native American burial sites, the construction of 29 new street crossings bridges, and the relocation of more than 3000 underground utility amazing engineering feat.

The $2.4 billion investment for the Alameda Corridor project ranked it at the time among the largest public infrastructure projects under construction in the United States. The corridor began operation in April of 2002 and today it allows more than 1200 trains a month to move quickly between the ports and downtown Los Angeles.