State Route 400 (SR 400) is a vital north-south transportation corridor in metro Atlanta that connects people, jobs, and freight. To improve mobility, Georgia DOT plans to add new, optional express lanes from I-285 to McFarland Parkway.
- Two elevated, barrier-separated express lanes in each direction between I-285 and Spalding Drive
- Two buffer-separated express lanes in each direction between Spalding Drive and McGinnis Ferry Road
- One buffer-separated express lane in each direction from McGinnis Ferry Road to McFarland Parkway
Services Provided: Lead Geotechnical Engineer, Lead Hazardous Waste Engineer, Lead Materials Engineer