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The Ultimate Guide to Atlanta’s Highways

 •  2 min read


Jasmine Harris

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Interstate 285 (I-285), affectionately known as “The Perimeter” is a 63 mile loop that encircles Atlanta and connects to I-75, I-85, and I-20. It plays a crucial role in commuting, logistics, and transportation of goods.

Interstate 20 (I-20) is a major artery that runs east to west through the City of Atlanta. It connects Atlanta to Augusta to the East and Birmingham to the West.

Interstate 75 (I-75) runs northwest to southeast through the City of Atlanta, connecting Atlanta to cities like Macon to the South and Chattanooga to the North.

Interstate 85 (I-85) runs northeast to southwest and converges with I-75 to create the Downtown Connector. It connects Atlanta with cities like Montgomery, Birmingham, and Charlotte.

Georgia State Route 400 is concurrent with U.S. Route 19 and runs north to south through the north suburbs of Atlanta like Alpharetta.

Interstate 575 (I-575) branches off I-75 and proceeds through the northwest suburbs. Interstate 675 (I-675) is an auxiliary highway that runs through the southeast portion of Metro Atlanta connecting Henry County to I-285. 

In simple terms, I-285 is a circle around the city. I-20 cuts the city in half horizontally. I-75 and I-85 converge and basically form an X through the city. The smaller interstates are branches of these larger trees, if you will. 

  1. If you want live traffic and construction updates on highways, you can always visit
  2. Even if you know where you’re going, use GPS to anticipate and prepare for traffic.
  3. Purchase the Peach Pass. Drivers with a Peach Pass account and transponder sticker on their vehicle can electronically pay tolls on Georgia Express Lanes. Georgia Express Lanes are Georgia’s optional toll lanes that run alongside existing interstates. These lanes give commuters the option to bypass traffic along interstates that are within some of the most congested corridors in metro Atlanta.

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