NEW YORK (WPIX) – The Metropolitan Transit Authority in New York City is testing a new physical deterrent aimed at stopping subway surfing.

One of the city’s busiest subway routes, the No. 7 line, now has experimental barriers in select cars. The rectangular barricades are installed on subway exteriors above the doors between the cars themselves. This placement is designed to prevent people from being able to climb to the roof of the trains from between the subway cars, according to the MTA.

The agency began testing the deterrent in January with a prototype design, then made tweaks to meet city transit standards.

The MTA estimates that installation on the entire No. 7 line will be completed in 2026 at a projected cost of $10 million. The MTA will then consider installing the barriers on

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