UPDATE: I-75 traffic still affected by tractor trailer wreck | Photo

Rescue crews spent nearly four hours working the scene of an overturned tractor trailer on Interstate 75 north this afternoon between the Byron and Hartley Bridge Road exits.

The Macon-Bibb County Fire Department was on the scene of a fuel spill across northbound and southbound lanes of traffic.

At about 4 p.m., traffic was flowing northbound, but southbound lanes remained congested.