From I90, take Exit 142 onto Hwy. 12/18 going west (this is Madison's Beltline Highway). Travel about 12 miles to the Gammon Road exit. Turn right right (north) onto Gammon Road and go one block to Odana Road (traffic light). Turn right onto Odana Road and go to the next traffic light (Grand Canyon Drive). Turn right onto Grand Canyon Drive. The Radisson is on the left, on the corner of Odana and Grand Canyon Drive.