Cross-border bus lines Lorraine-Saarland in 2022 - Data sources: Régie des Transports de l’Agglomération Forbach Porte de France, Région Grand Est - Direction Transports et Mobilité, SNCF, Transdev Grand Est, Zweckverband Personennahverkehr Saarland (ZPS). Harmonization: SIG-GR / GIS-GR 2022

National and regional cycle paths 2021 - Sources: OpenStreetMap and Contributors, biroto-Redaktion (biroto.eu), Landesbetrieb Mobilität Rheinland-Pfalz, Landesbetrieb für Strassenbau (LfS), LVGL Saarland, Velo & Territoires, Veremes, Administration des Ponts et Chaussées - Divsion de la mobilité durable (LU), Service public de Wallonie (SPW - DGO1). Harmonization: SIG-GR / GIS-GR 2021

- Airport passengers 2017 - Trimodal hubs rail-road-water - Ports TEN-T - Airport passengers 2017 - High-speed railway lines - Railway lines TEN-T - Main roads (core network TEN-T) - Secondary roads (comprehensive network TEN-T) - Navigable waterways - Maritime links - Driving times to major centres at peak times in minutes (isochrones) - Sources: GISCO 2017; SIG-GR / GIS-GR 2017; European Environment Agency 2012; OSM 2017; European Commission 2017; EUROSTAT 2018. Harmonization: CREAT-UCL 2018.

Cross-border bus lines Luxembourg-Saarland in 2022 - Data sources: Ministère de la Mobilité et des Travaux publics (LU), Zweckverband Personennahverkehr Saarland (ZPS). Harmonization: SIG-GR / GIS-GR 2022

Cross-border bus lines Luxembourg-Wallonie in 2022 - Data sources: Ministère de la Mobilité et des Travaux publics (LU), Opérateur de Transport de Wallonie – OTW. Harmonization: SIG-GR / GIS-GR 2022

Cross-border bus lines Wallonia-Lorraine in 2022 - Data sources: Opérateur de Transport de Wallonie – OTW. Harmonization: SIG-GR / GIS-GR 2022

Quality of the intraregional rail connections (2017) based on the linear distance speed of the fastest connection between the major centres of the Greater Region - Sources: FAU, Deutsche Bahn 2017

Cross-border railway lines Luxembourg-France in 2022 - Data sources: SNCF Grand Est, CFL. Harmonization: SIG-GR / GIS-GR 2022

Cross-border railway lines France-Germany in 2022 - Data sources: SNCF Grand Est, DB, Ministerium für Umwelt Saarland. Harmonization: SIG-GR / GIS-GR 2022

Cross-border bus lines Rhineland-Palatinate - East Belgium in 2022 - Data sources: Verkehrsverbund Region Trier. Harmonization: SIG-GR / GIS-GR 2022