This list represents routes that traveled through the state but are no longer in operation, have been decommissioned, or have been renumbered.

In 1970, it was indicated to be "projected mileage" from a point west of LaGrange to SR 109 south-southeast of Glenn.

In 1970, it was indicated to be "projected mileage" from the Alabama state line west of Abbottsford to SR 701 in that community.

[11][15] The next year, the entire Cobb County portion (except for the southern end) of I-575/SR 713 was under construction.

[15][7] By March 1980, I-575/SR 713 was completed to SR 92 southwest of Woodstock and one exit to the south in the Canton area.

[15][7] In 1982, a proposal to extend SR 714 was shown to have extended from just south of SR 122 north-northwest to US 82/SR 50 east-southeast of Waresboro (meeting the bypass road for the northwestern part of Waycross), and then west-northwest to another meeting point with US 82/SR 50 on the western edge of Waresboro.

Between the beginning of 1979 and March 1980, it was proposed from SR 5 south-southwest of Ellijay to US 76/SR 5 northeast of that city.

State Route 726 (SR 726) was a state highway In 1983, it was proposed as a western bypass of Powder Springs, Clarkdale, and Austell, from an unnumbered road south-southwest of Powder Springs to US 78/SR 5/SR 8 southwest of Austell.

In 1994, it was proposed as an eastern bypass of McRae, from US 280/SR 30 south-southwest of the city, around to US 319/US 441/SR 31, just north of where they split from US 280/SR 30 northeast of Helena.

In 1983, the southwestern part of the Athens Perimeter Highway, designated as SR 732, was proposed to be the final connecting piece of the freeway.

[20][16] In 1987, the Athens Perimeter Highway was completed, with SR 10 on the southern part.

[31][32] In 1991, US 278/SR 6 was shifted southward, out of the main part of the city, replacing the spur route.

[30][42] Nearly a decade later, the proposed western terminus was shifted westward on SR 20 to begin at a point east-northeast of Coosa.

In 1984, a northern bypass of Newnan was established from US 29/SR 14 just north of the city to SR 34 just northeast of it.

State Route 748 (SR 748) was a proposed state highway In 1987, it was proposed as part of an eastern bypass of Rockmart, from SR 113 east-northeast of the city south and south-southeast to US 278/SR 6 east-southeast of Van Wert.

In 1985, it was proposed as a southeastern rerouting of US 80, from the intersection of US 80/SR 22 (Eisenhower Parkway) and US 41 Bus./US 129/SR 11/SR 49 east-northeast and north-northeast to US 23/US 80/US 129 Alt./SR 19/SR 87 (Emery Highway).

The western part was built as an eastern extension of Eisenhower Parkway, but as an unnumbered road.

[29][30] The next year, the path of US 441/SR 15 in the Commerce area was shifted eastward, replacing SR 759.

In 1986, it was proposed from SR 5 south of McCaysville to the Tennessee state line north-northwest of the city.

In 1986, it was proposed as a western cut-off, on a more direct path between two intersections with US 23/US 441/SR 15 from south of Tallulah Falls and into the city.

[31][32] In 1993, US 278/SR 6 was shifted northeast from Yorkville onto the former proposed path of SR 789[42][34] State Route 793 (SR 793) was a proposed state highway in the north-central part of Carroll County and the southern part of Haralson County.

In 1988, it was proposed as a western bypass of Bremen, from south-southwest of the city to north-northwest of it.

In 1988, it was proposed as a northern bypass of Sandersville, from Deepstep Road northwest of the city to SR 88 east-northeast of it.

In 1990, a western bypass of the city, then proposed as a northern extension of SR 186, was planned from US 129/US 441/SR 24 north-northeast of Bishop to US 129/US 441/SR 15 in the southern part of Athens.

In 1989, it was established from just south of the CSX railroad tracks in Dublin north-northwest to US 80/US 319/SR 26/SR 29/SR 31 (Bellevue Avenue).

In 1989, it was proposed as a northeastern bypass of Millen, from SR 21 east of the city to US 25/SR 121 north-northwest of it.

In 1993, it was proposed as a southeastern bypass of Cuthbert, from south-southwest of the city to north-northeast of it.

[30][42] In 1995, the path of US 1/US 23/SR 4 through the Waycross, Georgia micropolitan area was shifted to the west, replacing the route of SR 896.

Its path was from US 129/US 441/SR 15 southwest of their southern interchange with what is now SR 10 Loop north-northwest to Timothy Road just north of the freeway.

The westernmost segment was proposed from SR 104 (Washington Road) at the northern terminus of Towne Centre Drive east-southeast to Rountree Way, just southeast of Columbia Industrial Boulevard.