Two southbound lanes of Interstate 95 are closed due to a crash near Quantico, the Virginia Department of Transportation said.
Virginia State Police were called to the scene at mile marker 146, just south of Exit 148, after 1 p.m. One person has died.
Southbound traffic is being detoured off I-95 at Exit 148.
Congestion began several miles north of the crash as of 2 p.m., VDOT said.
Motorists should expect delays and use alternate routes if possible.
Stay with News4 and NBCWashington.com for updates.
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