Some major streets were blocked off and turned into one ways, with police directing traffic.
Traffic getting into and moving around Bloomington will be congested starting as soon as Sunday, although most students will head to town on Wednesday.
Purdue is providing students and their families with maps specific to each residence hall to help them navigate construction.
Last year's record enrollment was a little over two percent higher than this year's incoming class.
IU's freshman class is nearly 8,000 students, and for some parents, letting go of a son or daughter for the first time isn't easy.
Expect Bloomington traffic delays as students move in Wednesday; a new Indiana law prohibits taking selfies of your ballot.
Indiana University's freshman class is expected to total more than 7,700 students.