HOUGHTON — The two persons that were taken to UP Health System Portage after a rollover crash on West Memorial Drive (M-26) Monday were not kept overnight according to Houghton Police Chief John Donnelly. Chief Donnelly said he is not aware of any serious injuries sustained in the accident, which is one of several which have occurred at the same area of near around Dunkin’, which Donnelly believes is the result of traffic congestion with drivers trying to get through the choke point at the Portage Lift Bridge. “We have an entrance from M-26 coming down the hill and then we have US ...