CSX Transportation will replace railroad ties in Gwinnett County over the next six weeks, the county said.

The work will begin at one end near the Gwinnett-DeKalb county line and at the other end in Dacula. The stretch of rail that is being updated “somewhat parallels U.S. Highway 29,” the county said in a release.

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Crossings along the planned work line will be closed for several days at a time, and multiple crossings could be closed at the same time, CSX Transportation representative Ray Porter said in a county release. This could disrupt normal traffic routes, and motorists should prepare ahead of time.

There is no specific schedule of when each rail crossing will close, but drivers should be aware of posted detour and closure signs. Porter described the work crews as “rolling production lines,” working their way down the tracks and completing the job at each crossing as they reach them.

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