Parsons iNET Software integral to USA Northwest Corridor reversible express lanes
The Metro-Atlanta Northwest Corridorโs reversible express lanes, made possible with Parsons iNet Software were officially opened to the public in a dedication ceremony that was held in September.
Parsons was the lead designer for the Northwest Corridor project, which included the design and construction of 30 miles of new reversible toll lanes, 6 new express lane interchanges, 3 new access points, and 39 new bridges. The Northwest Corridor offers predictable, quick commute times with dedicated toll lanes flowing traffic inbound (south) in the mornings and outbound (north) during the evenings.
The team extended Georgia Department of Transportationโs (GDOT) NaviGAtor Intelligent Transportation System (ITS), which is a rebranded version of Parsonsโ Intelligent NETworksยฎ advanced transportation management software. The NaviGAtor ITS will assist GDOT in monitoring traffic, controlling messaging signs, and operating access gates. In addition, the Parsons team supported the Georgia State Road and Tollway Authority (SRTA) by providing the design/furnish/installation of the ITS network and the installation/configuration of Parsonsโ iNET™ software to collect traffic volumes and enable dynamic toll pricing.
The Northwest Corridor is one of the Atlanta regionโs most congested travel corridors according to GDOT. With an anticipated 17 million trips per year, drivers are expected to see shorter commutes in both the express lanes and the general purpose lanes. On the corridorโs inaugural weekday commute, the general purpose lanes saved drivers approximately 60 minutes on commute time.
Parsons also trained first responders to deal with incident management and response on this unique facility. Transportation operations professionals trained nearly 2,000 responders representing more than 50 organizations, including GDOTโs Highway Emergency Response Operator (HERO) Master Operators that constantly patrol the express lanes.
The opening ceremony was attended by Governor Nathan Deal, GDOT Commissioner Russell McMurry, Georgia SRTA Executive Director Chris Tomlinson, U.S. Representative Barry Loudermilk, Georgia State Senator Brandon Beach, and Parsonsโ project team members, as well as other federal and state elected leaders and transportation agency officials and contractors.
The project is the largest transportation project in Georgiaโs history and the first to be procured by GDOT as a design-build-finance public-private partnership.

















