BUILDING A BETTER COMMUTE

Your guide to navigating projects and construction in Perimeter.

Keep a pulse on major transportation projects currently underway in Perimeter.

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Transform 285 / 400 Project

Construction Timeline:

2018 – December 2020

Traffic Changes:

Lane shifts and other modifications should be limited to nights and weekends. Additional modifications are possible in the future. Stay tuned for updates once more information is available.

More Information:

GDOT maintains a project website here.

Most Recent Update:

Abernathy Road Diverging Diamond Interchange (DDI)

Construction Timeline:

June 2019 – December 2020

Traffic Changes:

Closure of one westbound turn lane on Abernathy Road, turning south onto GA-400. Additional modifications are possible in the future and will be shared once available.

More Information:

Peachtree Dunwoody Road & 285 Bridge Replacement

Construction Timeline:

April 2019 – December 2020

Traffic Changes:

Closure of one northbound lane on Peachtree Dunwoody Road as it passes under I-285. This modification is intended to be constant through the end of the Transform 285/400 project.

Glenridge Drive & I-285 Bridge Replacement

Construction Timeline:

February 2019 – December 2020

Traffic Changes:

Closure of one southbound lane on Glenridge Drive as it passes under I-285. This modification is intended to be constant through the end of the Transform 285/400 project.

Mt. Vernon Highway Bridge Replacement

Construction Timeline:

April 2018 – December 2019

Traffic Changes:

One lane of travel in each direction on Mt. Vernon Hwy will be in place during construction; phase one of the bridge will be completed and traffic will be routed onto the new bridge. From there, the phase two bridge will be built.

More Information:

GA-400 Express Lanes

Construction Timeline:

2021-2027

Traffic Changes:

TBD – Project in design phase.

More Information:

More project information available here.

Construction Timeline:

2018 – December 2020

Traffic Changes:

Lane shifts and other modifications should be limited to nights and weekends. Additional modifications possible in future (will update once more information is available)

More Information:

GDOT maintains a project website here.

Most Recent Update:
Construction Timeline:

June 2019 – December 2020

Traffic Changes:

Closure of one westbound turn lane on Abernathy Road, turning south onto GA-400. Additional modifications are possible in the future and will be shared once available.

GDOT maintains a project website here.

More Information:
Construction Timeline:

April 2019 – December 2020

Traffic Changes:

Closure of one northbound lane on Peachtree Dunwoody Road as it passes under I-285. This modification is intended to be constant through the end of the Transform 285/400 project.

Construction Timeline:

February 2019 – December 2020

Traffic Changes:

Closure of one southbound lane on Glenridge Drive as it passes under I-285. This modification is intended to be constant through the end of the Transform 285/400 project.

Construction Timeline:

April 2018 – December 2019

Traffic Changes:

One lane of travel in each direction on Mt. Vernon Hwy will be in place during construction; phase one of the bridge will be completed and traffic will be routed onto the new bridge. From there, the phase two bridge will be built.

More Information:
Construction Timeline:

2021-2024

Traffic Changes:

TBD – Project in design phase.

More Information:

More project information available here.

Workplace Construction Resources

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