Neidio i'r prif gynnwy

Saesneg: passing loop

Cymraeg: dolen basio

Rhan ymadrodd

Enw, Benywaidd, Unigol

Lluosog

dolenni pasio

Diffiniad

A passing loop (UK usage), passing siding (US), (also called a crossing loop, crossing place or, colloquially, a hole) is a place on a single line railway or tramway, often located at a station, where trains or trams travelling in opposite directions can pass each other.