The Dallas Area Rapid Transit’s planned construction that would have led to overnight road closures on South Belt Line Road has been postponed.

The segment of South Belt Line Road from Southwestern Boulevard to Sanders Loop was scheduled to close Feb. 24 so that DART crews could install bridge beams. The new installation date will be announced once it is available.

Mockingbird Lane in Coppell remains closed as planned to allow for DART Silver Line construction.

The southbound closure began Feb. 27 so that DART crews can perform work on the railroad crossing at Mockingbird Lane and South Belt Line Road. Southbound traffic will be detoured around the construction zone.

The northbound zone will be closed once work on the southbound lane is completed. Northbound traffic will be detoured around the construction zone.

The closure is necessary for DART crews to safely complete railroad crossing work, according to a city press release. Work is expected to be completed by March 3, weather permitting.

DART is currently constructing a Silver Line station in the Cypress Waters area. The 26-mile hybrid rail line will stretch from DFW Airport to Plano, spanning multiple counties. The project is anticipated to be completed in 2026. More information on the Silver Line project can be found here.