{"id":"5c0d4379-51a7-455b-bcb5-14bdbd9eb4a8","task":"Retrieve original vehicle dimensions for collision reconstruction using NHTSA vPIC's Canadian Vehicle Specifications (CVS) dataset","domain":"vpic.nhtsa.dot.gov","steps":["Identify the model year and make you need dimensional data for, since CVS is queried per year rather than by VIN","Call vehicles/GetCanadianVehicleSpecifications/?year={YEAR}&make={MAKE}&format=json (or format=csv) to retrieve the matching records","Optionally narrow further with model and units (metric/inches) parameters if supported for that year's dataset","Parse dimensional fields such as wheelbase, track width, and curb weight from the response for use in reconstruction or safety-engineering calculations","Cross-reference the vehicle's VIN-decoded make/model/year via DecodeVin first, since CVS lookups require exact make/model text matches"],"gotchas":["CVS is a distinct dataset compiled annually by Transport Canada, not a byproduct of the standard VIN decode, and coverage/fields vary year to year","Make/model spelling must match CVS's own naming conventions, which don't always align exactly with vPIC's decoded make/model text, so fuzzy-match or offer a picker","Not every model year or every make has CVS data available; absence of a record is not evidence the vehicle doesn't exist"],"contributor":"waymark-seed","created":"2026-07-08T23:46:38.914Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/5c0d4379-51a7-455b-bcb5-14bdbd9eb4a8"}