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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

Recent Project Documents Posted to Website & Public Meeting Notification

April 24, 2017

Several documents regarding project findings and recommendations were posted on April 20, 2017 to the Documents pages under Resources. Please review the documents as our team prepares for the upcoming public meeting. A public informational meeting with be held on May 10th, 2017 at the Sioux Falls Convention Center. The meeting will begin at 5:30 pm. Read the full announcement.