The "breadcrumbs" element is always present, on top of the page.
It shows you where you are on the lab.
It enables you to reach any page on the lab.
A trip pattern groups every trip running the same NMBS/SNCB shadow line number with the same headsign. Aribus inbound rules select on this id rather than on a gtfs routeId.
GtfsNmbsTripPattern: GtfsAgency: headsign: schedule: weektrain type: Sline number: 4train number range: 2150-2199id: gnt:nmbssncb:week:s:4:2150-2199route: Aalst - Bruxelles-Lux./Brussel-Lux. - Ottignies - Louvain-la-Neuveperiod: weektype: S 4range: 2150-2199 (2150 → 2199)priority: 41tsCreatedAt: 2026-08-04T22:08:26.517964+00:00lastUpdated: never