Metrolink is rolling out its smart crossing technology in the entire Los Angeles County to enhance safety, mitigate congestion on roads, and enhance rail operations for the millions of commuters of Southern California.

This is reported by the railway transport news portal Railway Supply.

Metrolink Expands Smart Crossing Technology in Los Angeles County
Photo: Metrolink

Metrolink Advances Regional Rail Modernization

Metrolink unveiled its Wireless Crossing Nearside Station Stop (WCNSS) technology at two crossings near the Baldwin Park Station on October 13. Metrolink’s smart crossing technology has now been deployed in five counties and interfaces with its Positive Train Control (PTC) system.

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This system only switches on gates when trains are approaching to prevent recurrent closures of roads due to gates that close repetitively. Also, lack of lowered gates several times for halted trains has reduced congestion and waiting times.

Metrolink’s first WCNSS project was launched in San Juan Capistrano of Orange County in June of 2024. Within the first year of operation, it averted 1,584 unnecessary gate activations and minimized traffic congestion by 36 hours.

Metrolink Expands Smart Infrastructure Across California

WCNSS technology started with the Arrow service: a route spanning nine miles that linked San Bernardino to the nearby community of Redlands. Engineers developed it to lower the likelihood of spurious alarms and improve communication between crossings and trains. Wireless technology enables rapid implementation with a simple physical infrastructural setup.

In the coming years, Metrolink intends to expand WCNSS to 52 crossings on a 545-mile network. This initiative resonates with the regional goal of promoting public safety and efficiency of transportation.

This project embodies Metlink’s long-term strategy of marrying technology with knowledge gained from local expertise. This project promotes better integration of rail operations with the local road network; hence, it enhances cooperation between Metlink and local communities.

By integrating WCNSS with its digital control network, the agency demonstrates how innovation can solve urban transport challenges. The approach highlights how commuter rail systems can balance automation with human oversight to create safer, smarter mobility networks.

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What is Metrolink’s smart crossing technology?

Metrolink’s smart crossing system, called WCNSS, uses wireless communication with train control networks to activate gates only when trains approach. It reduces unnecessary closures and improves traffic flow.

How many crossings will Metrolink upgrade?

Metrolink plans to install WCNSS technology at 52 crossings across Southern California, covering multiple counties including Los Angeles, Orange, Riverside, and Ventura.

Why is Metrolink expanding its smart infrastructure?

The upgrades help modernize the regional network, enhance commuter safety, and reduce congestion at road-rail intersections — key goals in Metrolink’s modernization strategy.