The M1 starts from the western part of Budapest, it connects the Hungarian capital with Győr and northwestern part of Hungary, towards Vienna. The motorway is part of the Pan-European Corridor IV, and European route E60, E65 and E75. Average daily traffic is 75,510 near Budapest and 56,421 vehicles/day near Győr. The construction of the motorway began 1964, it took more than thirty years to reach Hegyeshalom and the Austrian border. Its significance has increased since the change of regime in 1990, and today it is the most important western connection in Hungary.