The city also has several scenic parkways (promenades), such as Colonel By Drive, Queen Elizabeth Driveway, the Sir John A. MacDonald Parkway, the Rockcliffe Parkway and the Aviation Parkway and has a freeway connection to Autoroute 5 and Autoroute 50, in Gatineau. In 2006, the National Capital Commission completed aesthetic enhancements to Confederation Boulevard, a ceremonial route of existing roads linking key attractions on both sides of the Ottawa River.