{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.high-speed-railway-line","code":"thing-q858485","url":"https://ver.cy/models/thing/q858485/","name":"high-speed railway line","alternateNames":["Japanese maglev test line","Seibi Shinkansen","LGV"],"kind":"thing","status":"published","version":"0.2.0-wave.3","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.BLT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A railway line built or upgraded for trains running at high speed, in international practice at least 250 km/h on new lines or 200 km/h on upgraded lines, with dedicated track geometry, signalling, power supply and grade separation; examples include the Japanese Shinkansen, French LGV, Chinese, Spanish and German networks.","purpose":"Let an agent identify a high-speed line and its standard, relay speeds, length, operators and safety systems from official sources, and separate high-speed lines from conventional main lines and from the trains that use them.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Built for sustained speeds above 200 or 250 km/h","Grade separated, no level crossings","Cab signalling and train control","Dedicated or mixed traffic by design"],"structure":{"bundles":[{"id":"identify","name":"Identify","description":"Which line.","layers":[{"id":"which","name":"Which","description":"Line and standard.","findings":[{"id":"which-finding","name":"Which","description":"Which.","questions":[{"text":"Which line is meant, what standard defines it as high-speed, and who owns and operates it?","kind":"definition"},{"text":"Is it a high-speed line, an upgraded line or a maglev?","kind":"boundary"}]}]},{"id":"facts","name":"Facts","description":"Key figures.","findings":[{"id":"facts-finding","name":"Facts","description":"Facts.","questions":[{"text":"What are the design speed, length, opening dates and stations?","kind":"measurement"},{"text":"Which official source gives them?","kind":"provenance"}]}]}]},{"id":"engineering","name":"Engineering","description":"Infrastructure.","layers":[{"id":"track","name":"Track","description":"Track and structures.","findings":[{"id":"track-finding","name":"Track","description":"Track.","questions":[{"text":"What track geometry, structures and power supply does high speed require?","kind":"definition"},{"text":"Which entry fits railway electrification?","kind":"action"}]}]},{"id":"control","name":"Control","description":"Signalling.","findings":[{"id":"control-finding","name":"Control","description":"Control.","questions":[{"text":"Which train control and signalling systems are used?","kind":"provenance"},{"text":"Which entry fits train control systems?","kind":"action"}]}]}]},{"id":"operate","name":"Operate","description":"Services and safety.","layers":[{"id":"services","name":"Services","description":"Services.","findings":[{"id":"services-finding","name":"Services","description":"Services.","questions":[{"text":"Which services and operators use the line, and where are timetables published?","kind":"provenance"},{"text":"Is the user asking about a journey now, which needs operator data?","kind":"boundary"}]}]},{"id":"safety","name":"Safety","description":"Safety.","findings":[{"id":"safety-finding","name":"Safety","description":"Safety.","questions":[{"text":"What safety rules and records apply, and how are hazards such as earthquakes handled?","kind":"provenance"},{"text":"Which entry fits railway safety?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Planning and history.","layers":[{"id":"planning","name":"Planning","description":"Planning and cost.","findings":[{"id":"planning-finding","name":"Planning","description":"Planning.","questions":[{"text":"How are lines planned, assessed and financed, with debates attributed?","kind":"provenance"},{"text":"Is the presentation neutral?","kind":"boundary"}]}]},{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did high-speed rail develop from the Shinkansen onward?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Report route, speeds and services from operators and infrastructure managers.","Explain technical standards for high-speed lines in general terms."],"mustNot":["Direct anyone onto high-speed track or into restricted areas.","Interfere with signalling or train control systems.","Present projected routes as decided when they are not.","Understate noise and land-take impacts on communities."],"requiresHuman":["Route planning and land acquisition decisions.","Operational changes to signalling or speeds."]},"ethics":{"considerations":["Trains at high speed leave no margin for people on the line.","New lines displace homes and divide communities and habitats."],"affectedParties":["Passengers","Communities along the route","Track workers"]},"owners":{"steward":"The infrastructure manager; national railway authorities license lines and operators.","roles":[],"masterSystems":[]},"relations":[{"target":"Q3238851","type":"parent","note":"registry parent class"},{"target":"railway line","type":"related","note":"a main line built for speed"},{"target":"high-speed train","type":"related","note":"the rolling stock"},{"target":"railway safety authority","type":"related","note":"standards and authorisation"},{"target":"maglev","type":"related","note":"a different technology"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.high-speed-railway-line","Wikidata: Q858485 (https://www.wikidata.org/wiki/Q858485)","line name or code: operator naming such as LGV Sud-Est","UIC and national line numbers: numeric infrastructure registers"]},"properties":{"applicability":"required","items":["design speed: 200-350 km/h - by line","minimum curve radius: about 4000-7000 m - for 300 km/h and above","length: tens to thousands km - by line and network"]},"recognition":{"applicability":"required","items":["No level crossings, wide curves, overhead power","Dedicated high-speed signalling such as ETCS or ATC","Upgraded conventional lines and the trains themselves are separate matters","A straight, gently curved, fenced double track without level crossings, with overhead electrification and long viaducts and tunnels."]},"capabilities":{"applicability":"required","items":["identify the line, its standard and operator","relay design speed, length and opening dates","explain infrastructure requirements","route service and ticket questions to operators"]},"hazards":{"applicability":"required","items":["Derailment at speed","Earthquake and weather disruption","Cost overruns and delays in construction","Noise and land-take impacts"]},"interfaces":{"applicability":"required","items":["UIC definitions of high-speed rail","EU technical specifications for interoperability","National railway safety regulations","Environmental assessment law for construction"]},"context":{"applicability":"required","items":["Carrying passenger trains at high speed between cities.","new dedicated lines such as LGV and Shinkansen","upgraded conventional lines","mixed passenger and freight high-speed lines","maglev lines as a separate technology","national networks by country"]}},"sources":[{"title":"Wikidata item Q858485: high-speed railway line","url":"https://www.wikidata.org/wiki/Q858485","note":"identity and sense of the item"},{"title":"Wikipedia: High-speed railway line","url":"https://en.wikipedia.org/wiki/High-speed_railway_line","note":"general description of the item"}],"openQuestions":["Should each line be a separate entry?","How should infrastructure registers be linked?","The registry entry has merged aliases for a maglev test line; should it be split off?"],"resources":{"spec":"/models/things/publications/thing-q858485/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q858485/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T19:51:38Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:52:02+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}