Core network corridors cover the most important long-distance flows in the core network and are intended, in particular, to improve cross-border links within the Union.
Cumhdaíonn conairí an chroíghréasáin na sreabha fadraoin is tábhachtaí sa chroíghréasán agus tá siad ceaptha, go háirithe, chun feabhas a chur ar naisc trasteorann laistigh den Aontas.