Update, 6:45 p.m.: Traffic has returned to normal on I-24 in Clarksville, and on 101st Parkway. The I-24 wesbound backup continues around Exit 19.
Update, 5:45 p.m.: Traffic is still slow on the interstate. Another interstate wreck south of Clarksville has westbound traffic backed up from mile marker 15 to mile marker 18.
A wreck has 101st Airborne Division Parkway backed up: eastbound from Peachers Mill Road to just past the Big West Fork Creek bridge and westbound to just past Heritage Park…