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.
Detour routes will be available during this time.
For more information on the closure, visit NTTA.org.
