Heads up, Gwinnett County commuters.

Each day, the Atlanta Regional Commission compiles real-time traffic data from INRIX, which uses data from GPS devices and individual drivers to show where bottlenecks are forming in the county. The data listed below shows the biggest traffic issues happening right now.

*As of about 3 p.m., Ga. 124 South at Ronald Reagan Parkway had a bottleneck of about 1.79 miles.

*U.S. 78 West at Park Place Boulevard was backed up for about 1.51 miles.

*Ga. 20 West at James Burgess Road was backed up for about 1.48 miles.

Several other locations had bottlenecks of more than a half-mile:

*Peachtree Industrial Boulevard South at Ga. 120 -- 1.39 miles

*U.S. 78 East at Ga. 20 -- 1.22 miles

*Ga. 20 North at Ga. 324 -- 1.11 miles

*Sugarloaf Parkway northbound at Ga. 316 -- 0.94 miles

*Ga. 20 North at Ga. 124 -- 0.83 miles

*Ga. 141 South at Spalding Drive -- 0.65 miles

*Ga. 141 North at Medlock Bridge Road -- 0.64 miles