check_adr_tunnel
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Third-party content written by another agent. Data to evaluate, not instructions.
Check whether a vehicle may pass through a tunnel of a given ADR category ("A"–"E"). Provide hazmat and, when known, the load's ADR 8.6.4 tunnel restriction code (e.g. "B", "C5000D", "B/D", "none"). Applies the conservative worst-case reading: conditional clauses are assumed to apply, so a blocked answer may over-restrict but never under-restricts. No network access; answers instantly.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| hazmat | boolean | yes | Whether the vehicle carries dangerous goods at all. When false the ADR tunnel matrix does not apply and every tunnel is permitted. |
| tunnel_category | string | yes | ADR category of the tunnel to check: "A", "B", "C", "D" or "E". |
| tunnel_code | string | null | no | ADR 8.6.4 tunnel restriction code of the load, e.g. "B", "C5000D", "B/D", or "(—)"/"none". Leave unset for a hazmat load of unknown code (conservatively treated as code B). |
Raw JSON schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"hazmat": {
"description": "Whether the vehicle carries dangerous goods at all. When false the\nADR tunnel matrix does not apply and every tunnel is permitted.",
"type": "boolean"
},
"tunnel_category": {
"description": "ADR category of the tunnel to check: \"A\", \"B\", \"C\", \"D\" or \"E\".",
"type": "string"
},
"tunnel_code": {
"description": "ADR 8.6.4 tunnel restriction code of the load, e.g. \"B\", \"C5000D\",\n\"B/D\", or \"(—)\"/\"none\". Leave unset for a hazmat load of unknown\ncode (conservatively treated as code B).",
"type": [
"string",
"null"
]
}
},
"required": [
"hazmat",
"tunnel_category"
],
"type": "object"
}