"bottleneck" in the transport sector means a physical, technical or functional barrier which leads to a system break affecting the continuity of long-distance or cross-border flows and which can be surmounted by creating new infrastructure, or substantially upgrading existing infrastructure, that could bring significant improvements which will solve the bottleneck constraints;
ciallaíonn 'scrogall' in earnáil an iompair bac fisiciúil, teicniúil nó feidhmíochta a dtarlaíonn cliseadh an chórais dá thoradh, cliseadh a mbíonn tionchar aige ar leanúnachas sreabha fadraoin nó trasteorann ar féidir iad a shárú trí bhonneagar nua a chruthú nó an bonneagar atá ann a uasghrádú go mór, a d'fhéadfadh feabhsuithe suntasacha a thabhairt agus a réiteodh na sriantachtaí scrogaill;