M1 motorway (Hungary)

The M1 motorway () is a toll motorway in northwestern Hungary, connecting Budapest to Győr and Vienna. The first section of the motorway opened in the 1970s, reaching the Austrian border at Hegyeshalom in 1996. It follows the route of the old Route 1 one-lane highway.

Openings timeline

• Budapest – Budaörs (7 and 12 km): 1964 - half profile; (this section was extended 2x3 lane in 1978-79)
• Budaörs – Budakeszi (4 km): 1981 - half profile; (this section was extended in 1986)
• Budakeszi – Zsámbék (9 km): 1986
• Zsámbék – Bicske (13 km): 1985
• Bicske – Tatabánya-north (28 km): 1982
• Tatabánya-north – Komárom (20 km): 1975 - half profile; (this section was extended 2x2 lane in 1990)
• Komárom – Győr-east (19 km): 1977 - half profile; (this section was extended 2x2 lane in 1990)
• Győr-east – Győr-Ménfőcsanak (8 km): 1994
• Győr-Ménfőcsanak – Győr-west (14 km): 1994
• Győr-west – Hegyeshalom-east (42 km): 1996
• Hegyeshalom-east – Border station of Austria (6 km): 1982 - half profile; this section operated as part of road 1 until 1996

List of junctions, exits and rest area

• The route is full length motorway. The maximum speed limit is 130km/h, with (2x2 lane road with stop lane).

Distance from Zero Kilometre Stone (Adam Clark Square) in Budapest in kilometres.