sentences:  It starts at the corner of Rue Saint-Louis and Boulevard Greber in the Gatineau sector of the city of Gatineau.It runs north of Gatineau and ends in Val-des-Bois at the junction of Route 309 which runs from the Buckingham sector north into the Upper Laurentians.The main communities the highway passes through are Gatineau, Cantley and Val-des-Monts.