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: saturdaytrain type: Sline number: 42train number range: 5450-5499id: gnt:nmbssncb:saturday:s:42:5450-5499route: Liers - Liège-Guillemins - Flémalle-Haute (via L.125A)period: saturdaytype: S 42range: 5450-5499 (5450 → 5499)priority: 45tsCreatedAt: 2026-08-04T22:08:26.517964+00:00lastUpdated: never