Public roads in Hungary are ranked according to importance and traffic as follows:
- controlled-access highway (gyorsforgalmi út – pl. gyorsforgalmi utak) – colour: blue; designation: M followed by one or two digits. It has two categories: motorways and expressways.
- motorways (autópálya – pl. autópályák): 2+2 travel lanes and emergency lane, central reservation, no at-grade intersections
- expressway (autóút – pl. autóutak): mostly 2+2 travel lanes without emergeny line, central reservation, some at-grade intersections
- main roads (főút – pl. főutak) – colour: green; designation: one, two or three digits
- primary main roads (elsődrendű főút – pl. elsőrendű főutak): national importance roads
- secondary main roads (másodrendű főút – pl. másodrendű főutak): regional importance roads
- side roads (mellékút - pl. mellékutak) – colour: green; designation: with four or five digits
- municipal roads (önkormányzati út- pl. önkormányzati utak)
Some of the national roads are part of the European route scheme.
European routes passing through Hungary: E60; E65; E66; E68; E71; E73; E75; E77; E79 (Class A); E573; E653; E661 (Class B).