National Hazardous Materials Route Registry

Action

Notice; revisions to the listing of designated and restricted routes for hazardous materials.

Summary

This notice provides revisions to the National Hazardous Materials Route Registry (NHMRR) reported to FMCSA from April 1, 2023, through March 31, 2024. The NHMRR is a listing, as reported by States and Tribal governments, of all designated and restricted roads and preferred highway routes for transportation of highway route controlled quantities of Class 7 radioactive materials (HRCQ/RAM) and non- radioactive hazardous materials (NRHM).

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