What data actually exists about this industry, who typically holds it, at what granularity, and how obtainable it is. Public means openly published; purchasable is sold by a vendor; partnership needs a bilateral deal; exclusive is effectively locked up by one party.
| Data category | Who holds it | Granularity | Access |
|---|---|---|---|
| registry/licensing/permits | National infrastructure managers (Network Rail, DB Netz, SNCF Réseau), national safety authorities and EU Agency for Railways (ERADIS)… | Per project/contract award, per permit, per certified entity | public |
| employment & workforce | National statistics offices (labour force survey by NACE), sectoral social funds/levy bodies (e.g. Constructiv, CITB), trade unions… | Monthly sector aggregates; per-worker certification records in competence… | public |
| financial filings | Company registries (Companies House, Bundesanzeiger), listed contractor annual reports and segment disclosures, credit bureaus (Creditsafe… | Annual/semi-annual per legal entity, order book and backlog by segment | public |
| incident/safety/claims | National railway safety authorities and ERA (safety occurrence reporting), labour inspectorates (OSHA-equivalent), infrastructure managers'… | Per incident; monthly/annual aggregates per project or per organisation | public |
| weather-dependent metrics | National meteorological services, project schedule/delay records held by contractors and claims consultants | Hourly/daily per site location; per delay event claim | public |
| waste & emissions | Environment agencies (waste transfer/spoil disposal permits and returns), contractors' carbon accounting (PAS 2080 reporting)… | Per waste consignment; monthly/annual project-level tonnage and tCO2e | public |
| pricing | Infrastructure managers' unit-cost databases, national audit offices, construction cost consultancies (Turner & Townsend, Arcadis), index… | Per unit of work (per km of track, per switch, per tunnel metre); monthly cost… | purchasable |
| transactional/sales | Contractors' ERP systems (Vinci, Strabag, Colas Rail, Balfour Beatty), infrastructure manager procurement systems; award values visible via… | Per contract, per interim payment certificate / monthly valuation | partnership |
| inventory & supply chain | Rail mills and suppliers (voestalpine, British Steel, ArcelorMittal), sleeper and ballast producers, signalling equipment suppliers… | Per order/delivery lot, per stockyard, monthly production and delivery volumes | partnership |
| sensor/IoT | Track-laying and tamping machine telematics (Plasser & Theurer, Matisa), plant OEM telematics (Caterpillar, Liebherr), tunnel boring… | Per machine per second/shift; per monitoring instrument continuous timeseries | partnership |
| geospatial/movement | Infrastructure managers' track asset GIS and alignment models, national mapping agencies, BIM/digital twin platforms used on major… | Per track kilometre / per chainage point, per survey pass | partnership |
| energy consumption | Contractors' site energy and fuel records (diesel, temporary power), plant hire firms, utility metering for site compounds and TBM power… | Monthly per site/compound; per plant item fuel drawdown | partnership |
| logistics & freight movement | Engineering train / work train planners at infrastructure managers, rail haulage operators moving ballast and spoil, aggregates hauliers… | Per train path/possession, per truck load, per shipment | partnership |
| booking/utilization/occupancy | Infrastructure managers' possession and track-access planning systems (e.g. Network Rail PPS, DB Netz Baubetriebsplanung), plant hire fleet… | Per possession/work window per track section; per plant item per day | partnership |
| production output | Contractors and project management offices (metres of track laid, tunnel advance rates, sleepers installed), major-project monitoring… | Daily/weekly per work front; monthly project progress aggregates | partnership |
| maintenance & asset condition | Infrastructure managers' asset management systems, track recording/measurement train operators, ballast and rail condition inspection… | Per asset (rail, sleeper, switch, structure), per measurement run | partnership |
| quality & compliance testing | Accredited materials testing labs, notified bodies for CCS/INF TSI conformity assessment, welding and NDT inspection contractors… | Per test/specimen, per weld, per certificate of conformity | partnership |
Compiled by the TriData research system from public registers, industry structure and regulatory reporting obligations; refreshed as the underlying catalogue grows. Look up the code itself in the NACE code finder.