They cross at least two borders and, if possible, involve at least three transport modes, including, where appropriate, motorways of the sea.
Trasnaítear dhá theorainn ar a laghad leo agus baineann ar a laghad trí mhodh iompair leo más féidir, lena n-áirítear, i gcás inarb iomchuí, mótarbhealaí na farraige.