The
A1 motorway is the longest
motorway in Croatia, spanning . As it connects
Zagreb, the nation's capital, to
Split, the second largest city in the country and the largest city in
Dalmatia, the motorway represents a major north–south transportation corridor in Croatia and a significant part of the
Adriatic–Ionian motorway. Apart from Zagreb and Split, the A1 motorway runs near a number of major
Croatian cities, provides access to several
national parks or nature parks,
world heritage sites, and numerous resorts, especially along the
Adriatic Coast. National significance of the motorway is reflected through its positive
economic impact on the cities and towns it connects as well as its importance to
tourism in Croatia.