Alabama State Route 79
|Maintained by ALDOT|
|Length:||117 mi (188 km)|
|South end:||I‑20 / I‑59 at Birmingham|
| US 231 at Cleveland
US 278 west of Snead
US 431 at Guntersville
SR 69 at Guntersville
US 72 at Scottsboro
|North end:||SR 16|
|Counties:||Jefferson, Blount, Marshall, Jackson|
State Route 79 (SR 79) is a 117-mile-long (188 km) state highway that extends northeastward from Birmingham to the Tennessee state line. Prior to the completion of Interstate 65 (I-65), SR 79 was the southern part of the route that connected Birmingham and Huntsville.
The southern terminus of SR 79 is at an interchange of Tallapoosa Street with I-20/I-59 (exit 128) near Birmingham–Shuttlesworth International Airport. Prior to the completion of I-20/I-59, the terminus of SR 79 was at an intersection with US 31, US 78, and US 280 at the intersection of 8th Avenue North and 24th Street in downtown Birmingham.
The highway is four-laned from I-20/I-59 to a gap in Sand Mountain, where it travels under two Alabama Power transmission lines, one coming from the Miller Steam Plant. After leaving Tarrant, there is little retail development along SR 79 in Jefferson County.
After leaving Birmingham and Jefferson County, the SR 79 travels through rural areas of Blount, Marshall, and Jackson counties and is largely a two-lane highway. Aside from Birmingham, the only cities with a population exceeding 5,000 that SR 79 travels through are Guntersville and Scottsboro.
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Due to population growth in the area, there are long range plans to widen SR 79 to four lanes into southwestern Blount County.
||This section contains a table that is missing mileposts for one or more junctions.|
|Jefferson||Birmingham||0.000||0.000||40th Street North||Southern terminus|
|0.099||0.159||I‑20 / I‑59 – Tuscaloosa, Gadsden, Atlanta||I-20 / I-59 exit 128|
|Tarrant||Pine Hill Road – Ketona, Fultondale|
|Pinson||12.296||19.788||SR 151 north / CR 131 west (Narrows Road) to SR 75 – Oneonta|
|Blount||Cleveland||34.395||55.353||SR 160 – Nectar, Hayden, Cleveland|
|35.948||57.853||US 231 south (SR 53) – Montgomery, Oneonta||South end of US 231/SR 53 concurrency|
|||37.766||60.778||US 231 north (SR 53) – Blountsville, Arab||North end of US 231/SR 53 concurrency|
|Brooksville||48.862||78.636||US 278 (SR 74) – Cullman, Gadsden|
|Marshall||Guntersville||64.279||103.447||US 431 south (SR 1) – Albertville, Gadsden||South end of US 431/SR 1 concurrency|
|65.359||105.185||SR 69 south – Cullman, Arab|
|65.727||105.777||SR 227 north – Lake Guntersville State Park, Bucks Pocket State Park|
|||71.651||115.311||US 431 north (SR 1) – Huntsville||North end of US 431/SR 1 concurrency|
|Jackson||Scottsboro||88.671||142.702||SR 279 north – Scottsboro|
|90.430||145.533||US 72 (SR 2) – Huntsville, Scottsboro|
|95.303||153.375||SR 35 – Woodville, Scottsboro|
|||107.353||172.768||SR 146 west / CR 107 south|
|||117.605||189.267||SR 16 north – Winchester||Continuation into Tennessee|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi