Proposed Interstate Highways and Unsigned Interstate Highways

The shields for six proposed auxiliary Interstate highways in the United States. There are six auxiliary Interstate highways being proposed for approval and construction in the United States, as of 2021. Interstate Highway 149 (Arkansas) : Proposed Interstate designation for the eastern portion of the Springdale Northern Bypass, which has been under construction since 2015 and is currently signed as Arkansas Highway 612. I-149 would run from I-49 and US 71 near Lowell to currently-existing US 412 east of Sonora and just west of Beaver Lake. I-149 would run concurrent with US 412 for its entire length, and the western portion of the Springdale Northern Bypass (west of I-49) will be signed as US 412 to currently-existing US 412 west of Tontitown, with a connector highway to Northwest Arkansas National Airport currently in the planning stages. Interstate Highway 197 (North Carolina) : Proposed to run along US 70 from I-97 in Jacksonville, NC to Morehead City, NC. Interstate Highway ...