GADSDEN, Ala. (WHNT) -- A crash involving a commercial vehicle is causing road closures along Highway 75.

The Alabama Law Enforcement Agency said all lanes are blocked near the 71 mile marker in DeKalb County. It's unclear when they will reopen.

According to ALEA, the single-vehicle wreck happened just before 7 p.m. on Sunday. Troopers with the Highway Patrol Division are now investigating.

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