Clarksville, TN – Around 4:00 am this morning, a portion of Cumberland Drive near Riverside Drive was found to have caved in. Traffic will not be able to travel up Cumberland Drive from of Riverside Dr or from of highway 48/13. The lane closures will most like continue all day as the Clarksville Street Department undertakes repairs. As of now, traffic will be able to travel down Cumberland Drive to Riverside Drive and 48/13. The cave in of the road affects an area of 15 ft x 60 ft.