Update, 4:35 p.m.: Another wreck on Interstate 24 near mile marker 2 has westbound traffic backed up past Exit 4.
Update, 4:25 p.m.: At least two people were critically injured. One was transported by AirEvac to Skyline in Nashville and another by LifeFlight, according to Clarksville Now news partner Dash 10 Media.
Southbound traffic is backed up to Patriots Park; northbound to Little West Fork Creek…