All lanes of Hebron Parkway under the Sam Rayburn Tollway in Carrollton will be closed nightly from 9 p.m. to 5 a.m.
Closure began Monday and will continue until April 19, according to North Texas Tollway Authority.
Construction will add a fourth lane in each direction from U.S. 75 to south of Denton Tap Road.
The latest news from around North Texas.
Detour routes will be available during this time.
For more information on the closure, visit NTTA.org.