Interstate 285 (I-285) is an auxiliary Interstate Highway encircling Atlanta, Georgia, for 63.98 miles (102.97 km). [1] It connects the three major Interstate Highways to Atlanta: I-20, I-75, and I-85. Colloquially referred to as the Perimeter, it also carries unsigned State Route 407 (SR 407) and is signed as Atlanta Bypass on I-20, I-75, and ...

Interstate 285 forms a beltway around the city of Atlanta through Cobb, Dekalb and Fulton Counties in north Georgia. The mostly urban route runs north-south through western reaches of the city while entering East Point, College Park, Forest Park, Doraville and Sandy Springs.

Interstate 285 is the designation for two Interstate Highways in the United States, both of which are related to Interstate 85: Interstate 285 (Georgia) , a beltway around Atlanta, colloquially known as the Perimeter (opened 1969)

Discover, analyze and download data from I-285 & SR 400 Improvements. Download in CSV, KML, Zip, GeoJSON, GeoTIFF or PNG. Find API links for GeoServices, WMS, and WFS. Analyze with charts and thematic maps. Take the next step and create storymaps and webmaps.

"The I-285 Express Lanes Transit Study is a pivotal step in shaping how we address the region's growing need for expanded and reliable public transportation," said MARTA General Manager and CEO ...

Interstate 285 (I-285) is an Interstate Highway loop encircling Atlanta, Georgia, for 63.98 miles (102.97 km). I-285 is also known as unsigned State Route 407 and is colloquially referred to as the Perimeter.

Dec 18, 2023 · Encircling Atlanta through portions of Clayton, Cobb, Dekalb and Fulton Counties, Interstate 285 comprises a 64 mile long beltway. Notorious for heavy traffic and congestion, the beltway provides part of a bypass for through traffic avoiding Downtown Atlanta.

Apr 17, 2025 · “The I-285 Express Lanes Transit Study is a pivotal step in shaping how we address the region's growing need for expanded and reliable public transportation,” said MARTA General Manager and CEO Collie Greenwood. “By tapping into the funded Express Lanes infrastructure investments already planned for I-285, we have an opportunity to ...

The I-285/I-20 East Interchange project will improve traffic flow and safety at this busy interchange. This critical junction in DeKalb County requires operational and geometric improvements to address inefficient flow of traffic and safety performance.

The Georgia Department of Transportation (Georgia DOT) has advanced these Design-Build (DB) projects – I-285 Westbound Auxiliary Lane Extension, I-285/Peachtree Industrial Boulevard Interchange Improvements, I-285 Eastside Bridge Replacements.