{
  "node_id": "us-fmcsa-49-cfr-397-hazmat-driving-parking-routing",
  "title": "49 CFR Part 397 - Transportation of Hazardous Materials; Driving and Parking Rules (FMCSA)",
  "domain": "Logistics & Supply Chain",
  "version": "1.0.0",
  "last_updated": "2026-05-25",
  "bluf": "FMCSA 49 CFR Part 397 sets the driving, parking, and routing rules for the transportation of hazardous materials, requiring carriers and drivers to comply with the Federal motor carrier safety regulations and applicable State and local laws, maintain attendance and surveillance and observe the parking rules, take precautions against fires and smoking, meet the fueling and tire requirements, carry the required instructions and documents, meet the motor carrier responsibility for routing, observe highway routing designations and Federal standards, satisfy the public information and dispute resolution requirements, and handle preemption and waiver of preemption through to determination.",
  "paywall": {
    "status": "LOCKED",
    "unlock_cost_usd": "0.01",
    "skyfire_id": "41779894-ece2-4163-9761-b3b1b76e19b0"
  },
  "crosswalks": {
    "_available_keys": [
      "nist_framework",
      "iso_standard",
      "industry_mapping",
      "ai_overlay_2026"
    ],
    "_note": "Full crosswalk values included in vault response"
  },
  "dependencies": [
    "us-fmcsa-motor-carrier-safety-regulations-49-cfr"
  ],
  "primary_citations_count": 21
}