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The original item was published from 3/19/2021 9:47:36 AM to 3/20/2022 12:00:01 AM.

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Posted on: March 19, 2021

[ARCHIVED] Various Overnight US 380 Closures March 19-20

(March 19, 2021)  The city has been made aware of planned overnight closures on US 380 that will take place March 19-20 as part of the ongoing Dallas North Tollway extension over US 380 (Phase 4 Project). 

NTTA Traffic Advisory - Overnight Closure for the DNT Phase 4 Project 

March 19–20 (9 p.m. to 5 a.m.) 

  • All lanes of east - and westbound US 380 between north - and southbound Dallas Pkwy.
  • All lanes of the east- and westbound US 380 frontage road between north- and southbound Dallas Pkwy.
  • The northbound left lane of Dallas Pkwy. at US 380

Detour to eastbound US 380: Take the Dallas North Tollway exit and turn right onto southbound Dallas Pkwy. Continue to PGA Pkwy. and take the U-turn. Continue north to US 380 and turn right.

Detour to westbound US 380: Take the Dallas North Tollway exit and turn right onto northbound Dallas Pkwy. Continue to W. First St. and take the U-turn. Continue south to US 380 and turn right. 

See attached PDF of map for additional information.

Construction work for this project includes the construction of a bridge over US 380, extending the DNT to W. First Street in Prosper.   

Changeable message signs will be placed prior to lane closures in the construction area. 

All closures are subject to weather conditions and will be postponed, if necessary.  Drivers are urged to use caution in the construction area. 

The NTTA appreciates the public’s patience during the ongoing expansion work. For construction-related questions and/or concerns, please contact the project hotline, (972) 628-3134. 

For more information about upcoming lane closures and traffic-related news along NTTA roads, go to the “Scheduled Lane Closures” link at

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