{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.tramway-track","code":"thing-q728943","url":"https://ver.cy/models/thing/q728943/","name":"tramway track","alternateNames":["BKV panels"],"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":"The rails, fastenings and supporting structure on which trams run, laid in or beside streets with grooved rails embedded in paving, on reserved track with ballast or slab, or on prefabricated panels such as the Budapest BKV panels, with points, crossings and curves designed for street geometry; tramway track must accommodate road traffic where it shares the roadway, drain, limit noise and vibration and integrate with overhead power, and is built and maintained under light rail standards.","purpose":"Let an agent explain tramway track and its forms, relay design, construction and maintenance practice from standards and references, describe integration with streets and power, and distinguish tramway track from railway and metro track.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Grooved rail","Street integration","Tight curves","Noise and vibration control"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What tramway track is.","layers":[{"id":"definition","name":"Definition","description":"Definition and forms.","findings":[{"id":"definition-finding","name":"Definition","description":"Definition.","questions":[{"text":"What is tramway track, and what forms does it take?","kind":"definition"},{"text":"Is the track tramway, light rail, railway or metro?","kind":"boundary"}]}]},{"id":"components","name":"Components","description":"Components.","findings":[{"id":"components-finding","name":"Components","description":"Components.","questions":[{"text":"What are grooved rails, fastenings, slab and special trackwork?","kind":"definition"},{"text":"Which entry fits the specific component?","kind":"action"}]}]}]},{"id":"build","name":"Build","description":"Design and construction.","layers":[{"id":"design","name":"Design","description":"Design.","findings":[{"id":"design-finding","name":"Design","description":"Design.","questions":[{"text":"How is tramway track designed for street geometry, loads, drainage and power?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"construction","name":"Construction","description":"Construction methods.","findings":[{"id":"construction-finding","name":"Construction","description":"Construction.","questions":[{"text":"How is track built, including embedded, slab and panel methods such as BKV panels?","kind":"provenance"},{"text":"Which entry fits the specific method?","kind":"action"}]}]}]},{"id":"operate","name":"Operate","description":"Maintenance and safety.","layers":[{"id":"maintenance","name":"Maintenance","description":"Maintenance.","findings":[{"id":"maintenance-finding","name":"Maintenance","description":"Maintenance.","questions":[{"text":"How is tramway track maintained, including grinding and renewal?","kind":"provenance"},{"text":"Which entry fits track maintenance?","kind":"action"}]}]},{"id":"safety","name":"Safety","description":"Safety and environment.","findings":[{"id":"safety-finding","name":"Safety","description":"Safety.","questions":[{"text":"What hazards exist for cyclists and pedestrians, and how are noise, vibration and stray current controlled, as studies report?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]}]},{"id":"context","name":"Context","description":"History and systems.","layers":[{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did tramway track develop from horse tramways to modern light rail?","kind":"provenance"},{"text":"Which entry fits the history of trams?","kind":"action"}]}]},{"id":"systems","name":"Systems","description":"Systems and gauges.","findings":[{"id":"systems-finding","name":"Systems","description":"Systems.","questions":[{"text":"Which gauges and track types do major tram systems use?","kind":"provenance"},{"text":"Which entry fits the specific tram system?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Monitor and report track wear, defects and obstructions on networks it is authorized to inspect.","Warn cyclists and road users about grooved rails where the operator publishes such advice."],"mustNot":["Leave objects on or near tram tracks or interfere with points and signals.","Report a track as safe when inspection found defects.","Direct cyclists or wheelchair users to cross rails at angles that trap wheels.","Carry out track works without the operator's possession of the line."],"requiresHuman":["Reopening a section of track after repair or derailment."]},"ethics":{"considerations":["Rails in streets injure cyclists and pedestrians who catch wheels or slip.","Track failures can derail trams carrying many people."],"affectedParties":["Tram passengers","Cyclists and pedestrians","Track workers"]},"owners":{"steward":"The tram network's infrastructure operator.","roles":[],"masterSystems":[]},"relations":[{"target":"Q112796050","type":"parent","note":"registry parent class"},{"target":"Q57498564","type":"parent","note":"registry parent class"},{"target":"Q83620","type":"parent","note":"registry parent class"},{"target":"tram infrastructure","type":"related","note":"in registry terms"},{"target":"rail network","type":"related","note":"in registry terms"},{"target":"thoroughfare","type":"related","note":"in registry terms, when shared with roads"},{"target":"tram","type":"related","note":"the vehicle"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.tramway-track","Wikidata: Q728943 (https://www.wikidata.org/wiki/Q728943)"]},"properties":{"applicability":"required","items":["standard gauge: 1435 mm - most systems; metre gauge common in Europe","grooved rail profile: Ri60 and similar type"]},"recognition":{"applicability":"required","items":["Rails for trams in or beside streets","Embedded, slab, ballasted, grass and panel track","Railway track uses flat-bottom rails on sleepers; metro track is segregated","Grooved rails flush with paving in streets, or ballasted or grassed track on reserved alignments."]},"capabilities":{"applicability":"required","items":["explain forms and components","relay design and construction practice","relay maintenance and noise control","distinguish from railway track"]},"hazards":{"applicability":"required","items":["Rail corrugation and wear","Cyclist falls on grooved rails","Stray current corrosion","Track buckling in heat"]},"interfaces":{"applicability":"required","items":["EN 14811 grooved rail standard","National light rail and tramway regulations","Road traffic rules for shared track","Noise and vibration limits"]},"context":{"applicability":"required","items":["Carrying trams through streets and reserved corridors.","embedded street track","slab and prefabricated panel track such as BKV panels","ballasted reserved track","grass track","special trackwork: points, crossings, grand unions","depot and stabling track"]}},"sources":[{"title":"Wikidata item Q728943: tramway track","url":"https://www.wikidata.org/wiki/Q728943","note":"identity and sense of the item"},{"title":"Wikipedia: Tramway track","url":"https://en.wikipedia.org/wiki/Tramway_track","note":"general description of the item"}],"openQuestions":["Should grooved rail be a separate entry?","How should standards be linked?","The registry entry has a merged alias naming a proprietary panel system; should it be split off?"],"resources":{"spec":"/models/things/publications/thing-q728943/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q728943/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T00:57:20Z","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 2026-10-07T10:10:32+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}