As work gets underway on a massive reconfiguration of the Georgia 400/I-285 interchange, commuters and businesses in the job rich Dunwoody office market are getting ready to handle lane closures and delays.

While the road work project is long overdue, the Perimeter Community Improvement Districts and related commuter agencies have been working with the Georgia Department of Transportation to alert businesses and workers to possible delays.

“Some of us have been working on this probably close…