A non-exhaustive list of lost and forgotten parts of Atlanta, and the remnants left behind.

Both Freedom Parkway and the Stone Mountain Freeway are disconnected segments of a planned but never completed freeway from downtown Atlanta to Stone Mountain. The land near downtown Atlanta was cleared but construction was halted due to the Atlanta freeway revolts, and sat vacant until eventually Freedom Parkway was built as a short downscaled parkway from the Downtown Connector to Ponce De Leon Ave. Part of the land cleared included a future interchange with the also unbuilt Interstate 485, which is now the location of the Carter Center and Presidential Library/Museum. The borders of Freedom Park around the Carter Center show cross-shaped pattern, hinting at the proposed path for both 485 and the eastward highway towards Stone Mountain.

Interstate 420 was a cancelled freeway that would've extended from the current end of Langford Parkway to I-20 near Flat Shoals Rd. The only remaining clue that it exists is a short stub of Langford Pkwy just east of I-75/85 where it ends at Lakewood Ave.

Interstate 485 was planned as a second north-south freeway through Atlanta, cutting through what are now the neighborhoods of Morningside-Lenox Park, Virginia-Highland, and Grant Park, connecting the ends of current day SR 400, and I-675. It included proposed interchanges with two other unbuilt highways - SR 10/Freedom Parkway/Stone Mountain Freeway which is now the Carter Center, and one with I-420.

Langhorn Street near I-20 turns into a short divided highway before ending abruptly at an on-ramp to Westview Dr. This was possibly the only portion built of a proposed but never realized highway up the west side of the city.

See: MARTA - Provisions

There are a few remaining clues to Atlanta's once vast streetcar system.

A remaining trolley barn and substation located at new 975 Lowery Blvd still stands and is in use today as part of the King Plow Arts Center.

The Trolley Barn, at 963 Edgewood Ave, is a former streetcar barn in Inman Park for a line that extended to Downtown. It's now preserved and used as an event space.

There is a remaining streetcar tunnel under a railroad line near Bolton Rd in NW Atlanta that once served the Atlanta-Marietta interurban.

The Stewart Ave substation, is a former still standing electrical substation that served streetcars running on what is now Metropolitan Parkway.