Transform 285/400 Project, Atlanta, Georgia

Atlanta, US

I-285-SR 400 Corridor

$
690
M

DB Cost
10.5
mi

Length

Scope of Work and Project Summary

This extensive project includes new flyover ramps, collector-distributor (CD) lanes, and other facilities to aid east-west travel along I-285 and north-south travel along SR 400. Bridge reconstructions to help expand surface streets to include additional lanes and expand sidewalk capacities.

The Transform 285/400 improvement project aims to alleviate traffic congestion and enhance safety near the I-285/SR 400 interchange in metro Atlanta.

Unique Project Aspects

Extended miles of collector-distributor lanes along I-285 (approx. 4.3 miles) and SR 400 (approx. 6.2 miles); new intersection redesign of Abernathy Road to a Divergent Diamond Interchange (DDI); and partnership with PATH 400 to create a mile stretch of shared-use path along SR 400 and I-285 to help connect to the expansive PATH 400 system.

Key Figures

Transform 285/400 Project, Atlanta, Georgia

Client

Georgia Department of Transportation
Location

Sandy Springs, GA (Greater Atlanta)
Completion date

2025
Project Size

10.5 miles
Contract Value

$690 million

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Transform 285/400 Project, Atlanta, Georgia

Scope of Work and Project Summary

Unique Project Aspects

Community Benefits

Project Stats

Key Figures

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