Alabama State Route 99

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State Route 99

AL 99 highlighted in red
Route information
Maintained by ALDOT
Length21.914 mi[1] (35.267 km)
Major junctions
South end US 31 in Athens
North end SR 207 near Anderson
CountryUnited States
CountiesLimestone, Lauderdale
Highway system
  • Alabama State Highway System
US 98 SR 100

State Route 99 (SR 99) is a 21.914-mile-long (35.267 km) state highway that extends from Athens in Limestone County to just northeast of Anderson in Lauderdale County. Although it is signed as a north–south highway, most of its route is in an east–west direction.

Route description

The southern terminus of SR 99 is located at an intersection with U.S. Route 31 (US 31) in northeast Athens. From this point, the highway travels concurrently with Elm Street in a westerly direction through the city. As it exits the city limits, SR 99 changes routes, becoming an extension of Market Street before heading in a northwesterly trajectory towards Mount Rozell. From there, it then travels in a westerly direction before terminating at SR 207 northeast of Anderson.[2]

Northern terminus

Major intersections

US 31 (SR 3) to I-65
Southern terminus
SR 127 north
Southern terminus of SR 127
Lauderdale21.91435.267 SR 207Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b Milepost Map of Lauderdale & Limestone Counties (PDF) (Map). Cartography by ALDOT Bureau of Transportation Planning, Survey & Mapping Division. Alabama Department of Transportation. 1999. Archived from the original (PDF) on 2008-06-25.
  2. ^ Google (May 3, 2010). "SR-99 entire route" (Map). Google Maps. Google. Retrieved May 3, 2010.