Main Road 21
Design services
Chief designer: UTIBER Kft.
The aim of the project was to shorten travel times between Budapest and Salgótarján, thus aiding the advancement of underdeveloped rural areas in Heves and Nógrád counties. Expanding main road 21 to 2×2 lanes was achieved by connecting previously-built 1-1.5-kilometre-long passing sections.
35,7 km long
2×2 lanes
8 db multi-level interchanges
15 conventional intersections
33 structures