You know it?s the end of summer when hundreds of confused drivers try to find parking on the UW-Madison campus. Football? No, move-in days. The annual migration of underclassmen to campus ramps up on Wednesday, with more than 7,100 students lugging boxes, computers and mini-fridges into residence halls.The students have assigned days when to move into their rooms, either Wednesday or Thursday, with the halls opening at 8 a.m. each day to accept the eager freshmen and sophomores.