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Dallas North Tollway Interchange at Night

DNT Closures for Bridge Repair in Dallas and DART Silver Line Construction in Addison

The continued repairs to the Northaven Rd. bridge will close southbound Dallas North Tollway (DNT) between I-635 and Royal Ln. late Friday into early Monday morning. The DNT will also be closed in both directions between Belt Line Rd. and Keller Springs Rd. in Addison overnight Saturday into Sunday for construction of the DART Silver Line regional rail project. 

Friday, March 22 at 10 p.m. through Monday, March 25 at 5 a.m. 
• All lanes of southbound DNT from I-635 to Royal Ln.
• East- and westbound I-635 to southbound DNT direct-connector ramps
• Southbound Harvest Hill Rd., Inwood Rd., and Forest Ln. entrance ramps
• Southbound Royal Ln. exit ramp
• Northbound left lane of DNT from Royal Ln. to Forest Ln.

March 23-24 (10 p.m. to 5 a.m.) for DART Silver Line Construction 
• All lanes of southbound Dallas North Tollway (DNT) from the Keller Springs Rd./Arapaho Rd. exit ramp to the entrance ramp from Belt Line Rd. 
• All lanes of northbound DNT from the Belt Line Rd./Arapaho Rd. exit ramp to the entrance ramp from Keller Springs Rd.

Continuous through mid-April 
• All lanes of east- and westbound Northaven Rd. over the DNT

See attached map for additional information. Message boards will be placed nearby to alert drivers of the closure. All closures are subject to weather conditions and will be postponed, if necessary. Please use caution in the construction area.

For questions about Silver Line construction, please contact Jeamy Molina at DART at 214-749-3800. 
For more information about upcoming lane closures and traffic-related news along NTTA roadways, visit Traffic Updates on

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