SR 400 Express Lanes Project
SR 400 corridor from MARTA North Springs Station to one mile north of McFarland Parkway, Atlanta area
under construction
Basic Information
- Project Type
- mixed use
- Building Use
- mixed use
Size & Capacity
Square Footage
Timeline
- Construction Start
- 4/22/2026
- Expected Completion
- 12/31/2031
- Completion Year
- 2031
- First Discovered
- 2/6/2026
Financial
- Total Construction Cost
- $4,600,000,000
Internal Notes
The project will construct new express lanes in both directions along an approximately 16-mile section of SR 400. It includes two managed toll lanes in each direction and aims to improve traffic flow and support bus rapid transit.