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Southbound 400 On Ramp at Holcomb Bridge Congestion

As is made clear from the pictures below of a typical morning drive time, the on-ramp to 400 South at Holcomb Bridge is fully congested, with a very tense merge process to get from the ramp onto 400. The blockage occurs on the ramp, and in the area in front of the ramp, which is 400 Southbound itself. Even without the proposed 7,715 residents at Roswell East, this blockage already exists.

The office component of Roswell East will not add traffic to this ramp at morning drive time when it is congested, because this ramp is used by residents leaving the area in the morning, not workers arriving in the area in the morning. The residential component, however, will add traffic on this exact exit ramp at morning drive time.

There have been proposals to add flyovers behind this congested on-ramp, but many are pointing out that if the on-ramp itself is already congested, a flyover behind this congested ramp is not likely to remedy the situation.

However one improvement that might mitigate the residential traffic added by the development would be an additional lane on GA 400 South from Holcomb Bridge down to 285.

400 South On-Ramp at Holcomb Bridge (click to enlarge)

400 South On-Ramp at Holcomb Bridge (click to enlarge)