Alabama State Route 21

State Route 21
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Route information
	Maintained by ALDOT
Length:	279.296 mi (449.483 km)
Major junctions
South end:	SR 97 at the Florida state line
	US 31 in Atmore and in Montgomery; I‑65 north of Atmore and again in Montgomery; US 84 in Monroeville; US 80 in Montgomery; US 82 in Montgomery; US 331 in Montgomery; US 231 in Montgomery; I‑85 in Montgomery; US 280 in Sylacauga; I‑20 in Oxford; US 78 in Oxford; US 431 in Anniston
North end:	SR 9 at Piedmont
Location
Counties:	Escambia, Monroe, Wilcox, Lowndes, Montgomery, Elmore, Coosa, Talladega
Highway system

State Route 21 is a 279-mile (449 km) state highway that extends from Piedmont in Calhoun County to the Florida state line near Atmore in Escambia County. The route runs almost the entire length of the state from the northeast to the southwest. It is the longest signed state route in Alabama.

Route description

Starting at a junction with SR-9 in Piedmont, the route runs southwest through Jacksonville, Anniston, Talladega and Sylacauga. The route passes close to the Talladega Superspeedway and the Talladega National Forest. After Sylacauga the road is co-routed with U.S. Highway 231 as it heads almost directly south towards the state capital, Montgomery. Southeastroads.com gives this opinion on the part of the highway through Montgomery:

"Alabama 21 gets lost in the confusion on the Boulevards of Montgomery. Quite a lack of respect for a state route that begins at the Florida state line and does not end until northeast of Anniston."

The highway is co-routed with U.S. Highways 82 and 80 around the Montgomery city center, then diverges southwest of the city. The route proceeds through Oak Hill and Beatrice to Monroeville in Monroe County, and is co-routed with SR-47 for part of this section. The route then runs continued southwest through Frisco City and Atmore to the Florida state border, where the road becomes State Road 97. The route is paved throughout and often multi-lane. Counties traversed by the route include Calhoun, Talladega, Coosa, Elmore, Montgomery, Lowndes, Wilcox, Monroe and Escambia.

Major intersections

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County	Location	mi^[1]	km	Destinations	Notes
Escambia	Atmore	0.000	0.000	SR 97 south – Pensacola	Florida state line
	Atmore	1.888	3.038	US 31 (Nashville Avenue / SR-3) – Mobile, Brewton
		8.122	13.071	I‑65 – Mobile, Montgomery	I-65 exit 57
Monroe	Uriah	22.372	36.004	SR 59 south – Stockton, Upper Delta Wildlife Management Area	SR 59 northern terminus
	Frisco City			SR 21 Truck north (Bowden Street) / CR 18 (Wild Fork Road)
	Frisco City			SR 21 Truck south (Highway 21 By-Pass)
		38.087	61.295	US 84 / SR 41 south / SR 47 Truck south (SR-12) – Grove Hill, Evergreen	Southern end of SR-41 / SR-47 Truck concurrency
	Ollie	38.517	61.987	SR 136 east to I‑65 north	SR 136 western terminus
	Monroeville	40.864	65.764	SR 21 Bus. north / SR 41 north (South Alabama Avenue) – Old Courthouse Museum	Northern end of SR-41 concurrency
	Monroeville	43.128	69.408	SR 21 Bus. south / SR 47 south (Pineville Road) – Monroeville	Southern end of SR-47 concurrency; northern end of Truck SR-47 concurrency (it ends at this intersection)
	Beatrice	59.336	95.492	SR 265 north (Bryan Street) – Vredenburgh, Camden	SR 265 northern terminus
	Riley	64.357	103.573	SR 47 north – Greenville	Northern end of SR-47 concurrency
Wilcox	Oak Hill	78.965	127.082	SR 10 – Camden, Greenville
		84.111	135.364	SR 28 west – Camden	SR 28 eastern terminus
	Elm Bluff	85.183	137.089	SR 89 north – Selma	SR 89 eastern terminus
Lowndes		102.222	164.510	SR 283 south / CR 7 north – Greenville	SR 283 northern terminus
	Hayneville	120.503	193.931	SR 97 (Commerce Street) – Lowndesboro, Letohatchee
		127.864	205.777	US 80 west (SR-8) – Selma	Southern end of US-80 / SR-8 concurrency
Montgomery	Montgomery	138.043	222.159	US 31 south (SR-3) / US 80 east (SR-8) to I‑65 – Mobile, Hope Hull	interchange; southern end of US-31 / SR-3 concurrency; northern end of US-80 / SR-8 concurrency
		139.276	224.143	US 31 north (West Boulevard / SR-3) / Selma-Mobile Highway – H. Councill Trenholm State Technical College	Northern end of US-31 / SR-3 concurrency
		139.836	225.044	I‑65 / US 80 west / US 82 west (SR-6 west / SR-8 west) to I‑85 – Birmingham, Atlanta, Selma, Mobile, Tuscaloosa	I-65 exit 168; southern end of US-80 / US-82 / SR-6 / SR-8 concurrency
		141.419	227.592	US 331 south (Court Street / SR-9) – Luverne	Southern end of SR-9 concurrency
		145.315	233.862	US 82 east / US 231 south (Troy Highway / SR-6 east / SR-53 south) – Union Springs, Troy, Ozark, Dothan, H. Councill Trenholm State Technical College	northern end of US-82 / SR-6 concurrency; southern end of US-231 / SR-53 concurrency
		148.423	238.864	I‑85 / US 80 east (SR-8 east) to I‑65 – Montgomery, Atlanta, Tuskegee	I-85 exit 6; north end of US-80 / SR-8 overlap
		149.8^[2]	241.1	Atlanta Highway - Faulkner University	interchange; former US-80 east / SR-8 east
		152.883	246.041	To I‑65 (via SR-152 west) / Congressman William L. Dickinson Drive – Birmingham, Mobile, Airport, Maxwell AFB Gunter Annex, Alabama National Guard Headquarters	interchange
Elmore	Wetumpka			To SR 111 / South Main Street	south end of SR-111 Truck overlap
		163.340	262.870	SR 170 east – Tallassee	SR-170 western terminus
				Company Street - Downtown Wetumpka Historical District	former SR-14 west
		163.681	263.419	SR 14 / SR 111 Truck north (Coosa River Parkway / Tallassee Highway) – Prattville, Tallassee, Wetumpka Sports Complex	north end of SR-111 Truck overlap
		164.428	264.621	SR 9 north – Santuck, Central	Northern end of SR-9 concurrency; Southern end of signed portion of SR-9
Coosa	Rockford	188.890	303.989	SR 22
Talladega	Sylacauga	207.585	334.076	US 231 north / US 280 (SR-38 / SR-53) – Airport	Northern end of US-231 / SR-53 concurrency
	Sylacauga	209.581	337.288	SR 148 east (3rd Street)	SR 148 western terminus
	Winterboro	220.745	355.255	SR 76 west	SR 76 eastern terminus
	Talladega	227.879	366.736	SR 275 north to SR 77	SR 275 southern terminus
		230.454	370.880	SR 77 north (East Street) – Talladega Superspeedway, International Motorsports Hall of Fame	Southern end of SR-77 concurrency
		231.631	372.774	SR 77 south (Haynes Street) – Central Alabama Community College	Northern end of SR-77 concurrency
		234.805	377.882	SR 275 south – Sylacauga	SR 275 northern terminus
Calhoun	Oxford	250.915	403.809	I‑20 – Birmingham, Atlanta	I-20 exit 185
	Oxford	251.266	404.373	US 78 – Heflin
	Anniston	254.373	409.374	SR 202 west (8th Street)	SR 202 eastern terminus
	Anniston			US 431 (Anniston Eastern Bypass / SR-1)	Trumpet/Cloverleaf interchange
	Jacksonville	267.730	430.870	SR 204 west (Nisbet Street) – Angel, Crystal Springs	SR 204 eastern terminus
	Piedmont	278.466	448.148	SR 200 east to US 278 – Centre, Cedartown, Gadsden	SR 200 western terminus
	Piedmont	279.296	449.483	SR 9 (Main Street) – Centre, Cedartown, Heflin	Northern terminus of SR-21. Memorial Drive continues one block as a city street.
	1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus