Traffic volume is decreasing across the Charlotte region at 9:30 a.m. Tuesday, but congestion remains a problem on Interstate 77 and I-485.
Congestion is worse than usual because of several collisions earlier this morning on both roadways.
The worst conditions on I-77 are near Lake Norman, especially in the southbound lanes from mile marker 28 down to mile marker 25. And on I-485, the inner loop remains very slow from Providence Road to South Boulevard.
There are several other collisions in the area at 9:30 a.m. Here is the update:
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I-77 southbound, Lake Norman area ... Congestion; traffic moving 20-30 mph from Lake Norman down to Exit 25 in Huntersville.
I-77 northbound, Lake Norman area ... Congestion; traffic moving 25-30 mph from mile marker 18 to mile marker 30.
I-485 inner loop, south Mecklenburg ... Congestion; traffic moving 25-30 mph from Providence Road to I-77.
I-485 outer loop, south Mecklenburg ... Congestion; traffic moving 25-35 mph from I-77 to Rea Road.
Johnston Road ... Congestion; traffic moving 20-255 mph northbound from the state line to I-485.
I-77 northbound, south Charlotte ... Congestion; traffic moving 35-45 mph from Carowinds Boulevard up to Clanton Road.
Billy Graham Parkway ... Congestion; traffic moving 20-25 mph between West Boulevard and I-85.
Unionville-Indian Trail Road at Rocky River Road ... Collision involving a school bus; moderate delays.
S.C. 160 at Gold Hill Road, Fort Mill ... Collision; moderate delays.