UPDATE: (2) left lanes open. Heavy traffic backed up in all lanes. Avoid the area for another 30-60 minutes if possible. EXPECT DELAYS for the next hour.
Possibly (4) vehicles as well as a tractor trailer involved in an
auto-accident on I-75 South near the exit for North Marietta Pkwy.
EXPECT DELAYS for the next 30-45 minutes if not longer.
