Volgograd is a major railway junction served by the Privolzhskaya Railway. Rail links from the Volgograd railway station include Moscow; Saratov; Astrakhan; the Donbas region of Ukraine; the Caucasus and Siberia. It stands at the east end of the Volga–Don Canal, opened in 1952 to link the two great rivers of Southern Russia. European route E40, the longest European route connecting Calais in France with Ridder in Kazakhstan, passes through Volgograd. The M6 highway between Moscow and the Caspian Sea also passes through the city. The Volgograd Bridge, under construction since 1995, was inaugurated in October 2009. The city river terminal is the center for local passenger shipping along the Volga River.