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SR 400 Express Lanes Project

Sector: Road • Location: Alpharetta, Georgia, United States

Source: Now Georgia

Project
Under Construction

The SR 400 Express Lanes project involves adding dynamically priced express lanes along a 16-mile stretch from the North Springs MARTA Station to north of McFarland Parkway in Georgia. The project aims to provide faster, more reliable traffic flow, moving traffic up to 30% quicker than general-purpose lanes, while keeping existing lanes free. It supports future MARTA bus rapid transit service with

Status
Under Construction
Sector
Road
Location
Alpharetta, Georgia, United States of America
Updated
22 Jul 2026
Source
Now Georgia

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Project Information

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The project “SR 400 Express Lanes Project” is an infrastructure initiative in the Road sector, located in Alpharetta, Georgia, United States. Taiyo aggregates data on it from Now Georgia.

Participants

Not available for this record.

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The SR 400 Express Lanes project involves adding dynamically priced express lanes along a 16-mile stretch from the North Springs MARTA Station to north of McFarland Parkway in Georgia. The project aims to provide faster, more reliable traffic flow, moving traffic up to 30% quicker than general-purpose lanes, while keeping existing lanes free. It supports future MARTA bus rapid transit service with planned stations and is delivered through a public-private partnership involving Georgia DOT, the State Road and Tollway Authority, and SR 400 Peach Partners.

Original sector

Transportation

Budget

Location

Country

United States of America (USA)

State

Georgia

City

Alpharetta

Source

Source

Now Georgia

URL

More Details

Record type

Project

Sector

Road

Article published date

2026-04-26

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