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Welcome to the I-29 Exit 77 (41st Street) Interchange and Environmental Study Project


The South Dakota Department of Transportation (SDDOT) in conjunction with the City of Sioux Falls, the Sioux Falls Metropolitan Planning Organization (MPO) and the Federal Highway Administration (FHWA) has contracted with HDR, Inc. to perform an interchange modification justification study for the I-29 Exit 77 interchange and conduct the associated environmental investigation.


LATEST NEWS

Public Meeting Materials Availabile

June 28, 2016

A public meeting was held on June 23rd, 2016 for the I-29 Exit 77 (41st Street) Interchange and Environmental Study project. The meeting presentation and related concepts shown at the meeting are now available to be viewed online. All information from the meeting is located on the Meeting Materials Page.