 For Expo 1964, an autoroute was built between Lausanne and Geneva.The Bern-Lenzburg autobahn was inaugurated in 1967.The Swiss autobahn/autoroute network has a total length (as of April 2012) of , of the planned , and has, by an area of 41,290 km², also one of the highest motorway densities in the world with many tunnels.