AHTD Publications

Special Studies - Springdale Northern Bypass (Highway 412) Environmental Studies

Project Overview 

The Federal Highway Administration (FHWA), in cooperation with the Arkansas State Highway and Transportation Department (AHTD), has conducted a comprehensive environmental study and prepared the necessary environmental documentation for the proposed Highway 412 bypass in Benton and Washington Counties, Arkansas.  The U. S Fish and Wildlife Service and the U. S. Army Corp of Engineers Little Rock District were cooperating agencies in the preparation of the environmental documentation.

This bypass is proposed to be a four-lane, divided, fully controlled access (Interstate type) facility constructed on new alignment with interchanges at selected locations. It would include two 12-foot travel lanes in each direction separated by a variable width median. 

The project is known as the Springdale Northern Bypass.  The Selected Alignment Alternative begins at an interchange with existing Highway 412 west of Tontitown where the highway presently changes from four to five lanes and will end with an interchange on existing Highway 412 just west of Beaver Lake.  Communities in and around the study area include Springdale, Tontitown, Elm Springs, Bethel Heights, Lowell, Sonora, Rogers, Bentonville, Fayetteville, and Cave Springs.

Highway 412 is part of a Congressionally designated High Priority Corridor (HPC) running east and west across northern Arkansas. 

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