On August 08, 2018 (83 FR 39500), the Federal Motor Carrier Safety Administration (FMCSA) published a notice in the federal register announcing revisions to the National Hazardous Materials Route Registry (NHMRR) reported to the FMCSA as of March 31, 2018. 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 (HRCQ) of Class 7 radioactive materials and non-radioactive hazardous materials (NRHMs). FMCSA published the full NHMRR in a Federal Register Notice on April 29, 2015 (80 FR 23859). Since publication of the 2015 notice, FMCSA published one update to the NHMRR in a Federal Register Notice on August 8, 2016 (81 FR 52518). This notice provides revisions to the NHMRR, reported to the FMCSA from August 8, 2016 through March 31, 2018. The full current NHMRR for each state is posted on the FMCSA’s internet website at: https://www.fmcsa.dot.gov/regulations/hazardous-materials/national-hazardous-materials-routeregistry Applicable date for this notice is August 9, 2018.

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FMCSA 08-09-2018 update HRCQ state routing