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On April 11, Trinity Railway Express (TRE) and city of Irving officials will mark the elimination of train horns at four of the city’s busiest grade crossings. The Federal Railroad Administration recently designated crossings at Britain Road, Nursery Road, Irving Heights Drive and Wildwood Drive as quiet zones.

The crossings feature four-quadrant gates, which block the entire crossing to prevent vehicles from driving around gate arms, and exit gate management systems to detect and free vehicles stuck on the tracks when a train approaches. The crossings also are equipped with an automated horn system, which directs a digitally recorded train horn at motorists when a train approaches.

The city is working to install four-quad gate systems at other major Irving crossings.