It will eventually connect Budapest to the Ukrainian border.

The section of the motorway between Görbeháza and Nyíregyháza was opened to the public in August 2007.

The latest section of the motorway, the one between Highway 49 and Vásárosnamény was opened to the public in 2014.

Hungarian system has 2 main type in terms of salary: 1, time-based fee vignettes (E-matrica); with a validity of either 10 days (3500 HUF), 1 month (4780 HUF) or 1 year (42980 HUF).

[2] 2, county vignettes (Megyei matrica); the highway can be used instead of the national sticker with the following county stickers: From Budapest to the Ukrainian border, the M3 motorway features the following bridges, tunnels or covered cuts: