The Texas Department of Transportation and LBJ Express contractors will close various lanes and ramps of the Dallas North Tollway (DNT) during the Labor Day weekend to facilitate bridge demolition work on I-635 for the LBJ Express project.

Drivers should expect major delays during the course of TxDOT's work.

The work is scheduled to begin the evening of Friday, Aug. 31 and continue through the morning of Monday, Sept. 3. All lanes of the DNT are scheduled to reopen to traffic by 9 a.m. Monday.

Nighttime closures will be scheduled as follows:

  • All southbound DNT lanes at I-635 will be closed with one northbound DNT lane open at I-635 from 10 p.m. Friday, Aug. 31 to noon Saturday, Sept 1.
  • Southbound DNT entrance ramp from Spring Valley Road will be closed from 10 p.m. Friday, Aug. 31 through noon Sunday, Sept. 2.
  • All northbound DNT lanes at I-635 will be closed with one southbound DNT lane open at I-635 from 9 p.m. Saturday, Sept. 1 to noon Sunday, Sept. 2.
  • North- and southbound DNT near I-635 will be reduced to one lane from 9 p.m. Sunday, Sept. 2 through 9 a.m. Monday, Sept. 3.

Daytime closures will be scheduled as follows:

  • Various north- and southbound DNT lanes closed at I-635 from noon to 9 p.m. on Saturday, Sept. 1, and again on Sunday, Sept. 2. At least one through lane will be open at all times.

DNT Detours:

  • During the full southbound closure of the DNT, all southbound DNT traffic can exit at Alpha Road/Galleria Drive and travel along the DNT frontage road (Dallas Parkway/Inwood Road) before re-entering the DNT north of Harvest Hill Road with no additional tolling charge.
  • During the full northbound closure of the DNT, all northbound DNT traffic can exit at Galleria Drive/Alpha Road and travel along the DNT frontage road (Dallas Parkway) before re-entering the DNT north of Alpha Road with no additional tolling charge.

All loop ramps at the I-635 and DNT interchange will be closed for the entire Labor Day weekend.

Message boards will be placed along the roadway to advise motorists of the closures. Police officers will also be onsite to provide further traffic direction.

To learn more information about the LBJ Express project, visit www.lbjexpress.com. For additional detour information and maps, visit the LBJ Express Blog for step-by-step instructions on how to drive through the construction area.