Georgia State Route 166

State Route 166
State Route 166
	SR 166; mainline in red, connector in blue
Route information
	Maintained by GDOT
Length	63.4 mi (102.0 km)
Existed	1940–present
Major junctions
West end	SR 46 at the Alabama state line west of Bowdon
	US 27 / SR 1 / US 27 Alt. / SR 16 in Carrollton; I-285 in Atlanta; US 29 / SR 154 in East Point; I-75 / I-85 in Atlanta;
East end	Lakewood Avenue in southeast Atlanta
Location
Country	United States
State	Georgia
Counties	Carroll, Douglas, Fulton
Highway system
	Georgia State Highway System; Interstate; US; State; ; Special;

State Route 166 (SR 166) is a state highway in the U.S. state of Georgia. It connects the Alabama state line with the city of Atlanta. The highway travels through Carrollton, McWhorter, and East Point. Except for the Carrollton and East Point/Atlanta areas, the highway is fairly rural. In Atlanta, it has a limited-access freeway portion that is known as the Arthur B. Langford Jr. Parkway (formerly named the Lakewood Freeway).

SR 166 was originally the Georgia segment of U.S. Route 78S (US 78S), which was later redesignated as US 78 Alt. The Lakewood Freeway portion of this highway was, at one time, slated to become designated as Interstate 420 (I-420), but that project was cancelled.

^ "Overview map of SR 166" (Map). Google Maps. Retrieved November 29, 2014.
^ Cite error: The named reference GDOT 1940-10 was invoked but never defined (see the help page).
^ Cite error: The named reference GDOT 1941-01 was invoked but never defined (see the help page).

[Google-1] "Overview map of SR 166" (Map). Google Maps. Retrieved November 29, 2014.

[GDOT_1940-10-2] Cite error: The named reference GDOT 1940-10 was invoked but never defined (see the help page).

[GDOT_1941-01-3] Cite error: The named reference GDOT 1941-01 was invoked but never defined (see the help page).

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