National Road (M)1 (Serbia)
National Road 1, was a road in Serbia, connecting Croatia at Batrovci with North Macedonia at Tabanovce. The route was a part of a notably larger motorway which existed during SFR Yugoslavia, generally known as Brotherhood and Unity Highway, therefore considered as the most important route in Serbia.
After the new road categorization regulation given in 2013, the route bears designations A3 and A1. The road was a dual-carriageway motorway.Sections
