. . . . . "South" . "Highway 21" . . . . . "21" . . . . . "Hwy" . "Hwy 21" . "328000.0" . . . "Highway 21" . "Provincial Highway 21" . . . . "Alberta Highway 21" . . "Hwy 21" . . . . . . . . "21" . . . "North" . "Alberta Highway 21" . . .