Routing - District of Columbia RegSenseDistrict of ColumbiaState InfoHazmat SafetyRouting requirements - HazmatBest ResultsHazmat: HighwayFocus AreaEnglishTransportation
To view the District of Columbia’s hazardous route registry, visit the National Hazardous Materials Route Registry at www.fmcsa.dot.gov.['Hazmat: Highway']['Routing requirements - Hazmat']