Georgia 20 September 25, 2019

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State Supplement sponsored by:

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95

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GDOT’s $800M Project to Reduce Congestion in Atlanta By Irwin Rapoport CEG CORRESPONDENT

Since construction began in February 2017 on the Georgia Department of Transportation’s $800 million Transform 285/400 design-build-finance project, the developer North Perimeter Contractors LLC (NPC) has been making steady progress toward construction completion in late 2020. Transform 285/400 rebuilds the Interstate 285 at SR 400 interchange, in the heart of the Perimeter area in north Metro Atlanta, and constructs 4.3 miles of new collector-distributor (CD) lanes along I-285 and 6.2 miles of new CD lanes along SR 400, in addition to other bridge and local interchange improvements within the corridor. The Perimeter is home to approximately 5,000 companies — including several on the Fortune 500 list — and more than 33 million sq. ft. of office space, three major hospitals, Georgia’s second-largest shopping mall and roughly 100,000 residents. Throw in 420,000 commuters just passing through, and you’ve got a recipe for rush-hour misery. Rush hour around the interchange typically lasts three to four hours each morning and afternoon, according to an environmental assessment of the project. Even in the middle of the day, traffic often backs up on both highways. Moreover, closely-spaced interchanges along I-285 (including Roswell Road, Glenridge Drive, GA 400, Peachtree Dunwoody Road and Ashford Dunwoody Road) leave many motorists weaving in and out of traffic as they enter and exit the highway. GDOT originally envisioned this multi-year project as two separate plans — I-285/SR 400 Interchange Reconstruction and SR 400 Collector-Distributor (CD) Lanes. “But in order to achieve maximum efficiency, economic benefit and cost effectiveness for the region, we combined the two stand-alone projects into one Design-Build-Finance [DBF], Public-Private Partnership [P3],” explained Darryl VanMeter, GDOT’s assistant P3 division director. The project is designed to help reduce traffic congestion and enhance safety in the area near the I-285/SR 400 interchange. It adds new flyover ramps, new collector-distributor lanes and other see ATLANTA page 4

“Crews are continuing to complete utility relocation work and minor roadway construction,” said Robby Graham, project manager for developer North Perimeter Contractors LLC.

The current I-285/SR 400 interchange, which was patterned to handle nearly 100,000 vehicles per day, is actually used by more than 420,000 vehicles daily.


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Georgia 20 September 25, 2019 by Construction Equipment Guide - Issuu