It is sometimes difficult to make a precise distinction between light rail and trams; trams are generally not separated from road traffic, whereas light rail may be separated from other systems;
Is deacair uaireanta dealú beacht a dhéanamh idir an t-iarnród éadrom agus an tram; is iondúil nach mbíonn an tram ar leithligh ón trácht bóthair, ach féadann an t-iarnród éadrom a bheith ar leithligh ó chórais eile;