Cobb County roads closed by the construction of a six-mile water pipeline will soon re-open, officials said Tuesday.

About 70 percent of the East Cobb Pipeline has been completed, said Cobb County-Marietta Water Authority.

This is a once-in-a-generation job for the second-largest provider of drinking water in Georgia.

Depending on weather, crews will soon pave and paint the roadway at Terrell Mill and Lower Roswell roads along with Lower Roswell and Old Canton roads. If all that gets done, then traffic in that area could return to normal by Feb. 13.

Until then, traffic will be restricted to one lane from 9 a.m. to 4 p.m. daily for the safety of the crews and travelling public because Lower Roswell Road is a small three-lane roadway.

Crews are working in two spots along Lower Roswell Road moving toward the Sope Creek crossing.

The county said its first team is “currently making good production” between Old Canton Road and Peppertree Court. The other is being slowed by trench rock excavation.

The smaller, 50-year-old water pipe will be replaced with a 54-inch line that weighs about 500 pounds per foot.

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