{"model":"Code-native, photo-guided Škoda/Transtech Artic reconstruction in src/tram-model.js (rendered by src/trams.js); not a manufacturer CAD model or exact replica", "dimensions":{"lengthMetres":27.6,"widthMetres":2.4,"heightMetres":3.83,"gaugeMetres":1,"sections":3},"vehicleReference":"https://www.skodagroup.com/de/reference/strassenbahn-forcity-smart-artic-helsinki", "specification":"https://admin.skodagroup.com/wp-content/uploads/2024/09/TRAM-FORCITY-SMART-ARTIC-HELSINKY_Produktovy-list_Skoda_A4_EN_PREVIEW.pdf", "referenceUse":"Manufacturer photographs viewed as visual references only; not embedded or redistributed in the game", "routes":{"source":"https://www.hsl.fi/en/hsl/open-data", "feed":"https://dev.hsl.fi/gtfs/hsl.zip", "date":"2026-09-16", "attribution":"© HSL 2026", "license":"CC BY 4.0", "licenseUrl":"https://creativecommons.org/licenses/by/4.0/", "adaptation":"Most frequent active shape per selected line/direction, projected and clipped to the demo area"},"limitations":["Route shapes are not surveyed track centres", "Switch geometry and overhead wiring are simplified", "Stops are spatially matched, not timetable stop sequences", "Motion, waiting times and priorities are simulated, not live HSL operations", "Visible terminus turning loops are not implemented"],"referencePhotos":["Street-level photography, Kanavakatu, Aug 2024, Artic #429 on line 4 (viewed for proportions and livery only; no pixels embedded)"]}