Interstate 685 Information
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|Maintained by ALDOT|
I-85 / US 80 / SR 108
Interstate 685 (I-685), is the designation for a future Interstate Highway in the U.S. state of Alabama. When completed, it will connect I-65 in downtown Montgomery to I-85 in the eastern suburbs of Montgomery. The routing is currently signed as I-85.
Currently, I-685 has been approved by the American Association of State Highway and Transportation Officials (AASHTO) to be co-signed with the current I-85 from its current southern terminus at I-65, to the future location of the Montgomery South Bypass on which I-85 will be rerouted.  The open section of Future I-85 is temporarily designated as State Route 108.
Interstate 685 is currently Interstate 85.
The designation was approved in 2010 at the request of the Alabama Department of Transportation (ALDOT) to use existing I-85.  Construction on the Montgomery Outer Loop started in early 2011, and the first part of it was completed in February 2016.[ citation needed] When done, the I-85 designation will be shifted to the Outer Loop, and the existing freeway will become just I-685. This will be the first auxiliary interstate of Interstate 85 that starts with a six. 
This section contains a table that is missing mileposts for one or more junctions.
All exits are opened as I-85, but are not signed as I-685
|--||Day Street||Southbound exit and northbound entrance; Future Western Terminus of I-685|
|0||I-65 / US 82 – Mobile, Birmingham||I-65 exit 171; southbound exit and northbound entrance; and signed as exits 0A (south/east) & 0B (north/west); eastbound to 65 north signed as exit 0.|
|1||Court Street, Union Street||Eastbound Court Street, westbound Union Street|
|2||Forest Avenue, Mulberry Street||Eastbound Forest Avenue, westbound Mulberry Street|
|4||Perry Hill Road|
|6||US 80 west / US 231 / SR 21 (East Boulevard, SR-8/ SR-9/ SR-53)||Begin U.S. 80 concurrency|
|9||SR 271 (Taylor Road) to US 231 ( SR-53)|
|11||SR 126 ( SR-8) / SR 110 – Mitylene, Mount Meigs|
|14.44||23.24||14||I-85 (Montgomery South Bypass, SR-685) / SR 108||Future exit number|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
- Special Committee on U.S. Route Numbering (October 29, 2010). "Report to the Standing Committee on Highways" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived (PDF) from the original on October 16, 2017. Retrieved December 13, 2011.
- Shryock, John. "Outer Loop construction about to restart". Montgomery, AL: WSFA-TV. Retrieved December 13, 2011.