Its track-record to date includes more than 304 miles of tunnels, 11,930 miles of roads (including 2,485 miles of highways), 2920 miles of railroad lines (including 434 miles of high-speed railroads) and 16,994 miles of road maintenance and repair. As part of the Design team, the Manager is accountable for technical delivery, multidisciplinary interfaces, consultant and subcontractor coordination, and communications with the Developer, GDOT, the tolling system integrator, and construction teams.