Services in Northwest Calgary We operate west of a combination of Centre Street and north of a combination of the Bow River, Sarcee Trail and Highway 1 (Trans-Canada Highway). Our operations in the Northwest Calgary cover the following communities: Arbour LakeBownessBrentwoodCharleswoodCitadelCollingwoodDalhousieEdgemontGreenwood/GreenbriarHamptonsHawkwoodMontgomery Rocky RidgeRoyal OakRoyal VistaScenic AcresSilver SpringsTuscanyUniversity HeightsUniversity of CalgaryVarsityNose Hill ParkRanchlands