411 REFERENCE · Wiktionary
Spanish solution
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Coined in the 1930s from its first use in the Barcelona Metro.
Noun
1
A train station layout with platforms on both sides of the track, where one side is used for boarding the train and the other side is used for alighting.
Further reading
en Rail transportation