Update, 4 p.m.: Dunbar Cave Road is back open, and traffic is returning to normal.

Update, 3:05 p.m.: The wreck is at Kimberly Drive, and Clarksville Police estimate it will take about 45 minutes to get the road cleared. The public is asked to avoid the area.

Previously: 

CLARKSVILLE, TN (CLARKSVILLE NOW) – Traffic on Dunbar Cave Road is blocked by a wreck.

At about 2:45 p.m., traffic in both directions was blocked, according to drivers in the area.

This article will be updated.