OpenStreetMap: all roads, downloaded from GeoFrabrik.
GTFS: Public transport time schedules. Downloaded from OVapi, for various dates.
TomTom congestion data: obtained from PBL, for various months and years.
Fietstelweek: measured bike speeds per link for 2015, 2016 and 2017. Downloaded from Cycling Intelligence and geographically linked to the OSM network; only links with measured trips are used (see Private transport).
Fietsersbond route network (links and nodes with bicycle access per direction, road type, surface and gradients), delivered by PBL on 25 May 2025: the cycling network of the model when CyclingNetwork is 'Fietsersbond' (see Walking and cycling legs, #124).
NS timetable in IFF format (ns-latest.zip, stations.dat with the transfer time per station): from the NDOV loket, delivery of 13 October 2026, used for all reference dates: the transfer time of a station is the lower bound for transfers between its platforms (see Public transport, #123).
Detailed fare tables 2023 to 2026 (boarding fare and price per km per mode, operator, concession area and line): compiled from primary sources per year (operator fare sheets and websites, provincial and regional fare decisions), with the source per row in the table.
DOVA overview of km fares 2013 to 2026 per concession area, plus the national boarding fare per year: obtained from DOVA.
NS price per number of tariff units 2013 to 2026 (full fare, 20% and 40% discount): from the official NS fare lists and HRN price tables.
NS tariff unit network and stations: from the NDOV loket; the network for the fares from 2016 is adjusted to the tariff unit map of NS, without the joint tariff points (#121).
NS surcharge ICE / IC direct per year 2013 to 2026: compiled from NS fare lists and other public sources, with the source per year in the table (TripSurcharge/PerYear).
Concession areas 2020 to 2026: used to assign regional legs to a concession for pricing.
OV-fiets stations: obtained from PBL, one list for the reference dates up to 2024 and one for 2025 and 2026.
Regional units: e.g. neighbourhoods, municipality, NUTS3. Downloaded from CBS