Skip Navigation

Improvement Projects

Construction and Maintenance

Metrolink construction and maintenance crews are constantly working throughout the entire Southern California system expanding capacity, upgrading systems and maintaining existing infrastructure to help provide the highest quality of safety and service to our passengers. This work also helps to ensure a safe and smooth flow of freight rail traffic throughout our region.  Here are examples of the type of work we do to maintain our rail system.

Sign up HERE to receive construction/maintenance notices by email. 

Rail Modernization @Union Station Project Updates - ongoing 

An important rehabilitation and modernization project at Los Angeles Union Station to replace railroad tracks, switches, platform construction and upgrading the signal system is underway.

For project updates please see this notice:English/Spanish


Night and Weekend Railroad Tie Replacement Work - Between Pomona and San Bernardino

October 2 - November 17

Metrolink crews will perform railroad tie replacement work to ensure safety and reliability so that Metrolink trains operate as efficiently as possible.

For detailed information, please see this notice: English/Spanish 


Nighttime and Weekend Railroad Maintenance Work – Between Santa Ana and Laguna Niguel

October 9 -  November 27

To keep train service safe and reliable, rail crews will perform system maintenance work between the cities of Santa Ana and Laguna Niguel.

For detailed information, please see this notice: English/Spanish 


Mount Vernon Avenue Bridge Project 

The City of San Bernardino (City) and the California Department of Transportation (Caltrans) have partnered with the San Bernardino County Transportation Authority (SBCTA) to rebuild the Mount Vernon Avenue Bridge (MVAB) near the Metrolink railroad tracks and  Burlington Northern Santa Fe (BNSF) intermodal yard beginning in December 2020. The bridge will be disassembled and completely rebuilt – a process that will span approximately three years. Reconstruction of the new bridge will begin in 2022 and the new structure is anticipated to open in 2024.

For questions about this project and current construction alerts for MVAB go to, call (877) 55-SBCTA, or email [email protected].


New Vista Canyon Metrolink Station

January 4, 2021 - Fall 2023

In partnership with LA Metro and Metrolink, the City of Santa Clarita is constructing a new Metrolink Station for travelers and commuters – the fourth in Santa Clarita. The new station will be located within the Vista Canyon development, along the 14 Freeway, and will be part of the larger Vista Canyon Multi-Modal Center.  The Metrolink Station at the Vista Canyon development is also set to become part of Metrolink’s Antelope Valley Line, which runs between the Lancaster and Los Angeles Union Stations, once complete.

To learn more about the Metrolink Station, please visit


Foothill Gold Line Light Rail construction project near Metrolink’s Pomona North Station - Ongoing

Construction Activity:

As part of the 9.1- mile Foothill Gold Line light rail project, KPJV crews will be fully rebuilding the railroad crossing for the new light rail system on Garey Ave. in the city of Pomona. This work requires a full closure of Garey Ave. at the railroad crossing beginning February 1st for approximately 45 days. During this closure, access to the Metrolink Station will not be available from Garey Ave.

Metrolink’s Pomona North Station Parking lot: There will be occasional closures at the Fulton Rd. parking entrance and partial closures of the Santa Fe St. parking entrance. When the closures are in place, work crews will assist with traffic control in and out of the parking lot.  Crews will continue with the construction of the Pomona Gold Line Station and light rail track installation. Starting early 2022, crews closed specified parking areas/spaces to make room for the new construction. This phase of construction is still ongoing and will last thru the beginning of next year. A minimum of 100 parking spaces, closest to the train platform, are currently still available, including all of the existing 14 accessible parking spaces. Please be aware of construction signage and barricades throughout the parking lot separating the available parking spaces from the on-going construction activities.

To learn more about the Foothill Gold Line project or sign up for Construction Alerts, please visit:

For Construction Questions, please call or text: (626) 513-5788 or email: [email protected]


Moreno Valley/March Field Station Improvements Project

The Riverside County Transportation Commission (RCTC), in partnership with the Southern California Regional Rail Authority (Metrolink), is upgrading the Moreno Valley/March Field Station in Riverside. This station serves Metrolink’s 91/Perris Valley Line and is the midpoint between the Perris-Downtown Station and the Riverside-Downtown Station. RCTC is the lead agency for this project.

Service disruption on the 91/Perris Valley Line

August 12 - August 13

For detailed information, please see this notice: English/Spanish 

For questions and construction updates, please visit



Contact information

For more information, please contact the Metrolink Community Relations Office below:

Email: [email protected]/ 24/7

Public Affairs Manager: Laurene Lopez / Email:[email protected] / Phone: (213) 452-0433