§FMCSR.com
Current textSource: eCFR

§ 397.73 Public information and reporting requirements.

Current wording, effective September 29, 2022.

eCFR (current) ↗
What changedOct. 1, 1996 wording → Sept. 29, 2022 wording (current)+162 added−102 removedHide

(a) Public information. Information on NRHM routing designations must be made available by the States and Indian tribes to the public in the form of maps, lists, road signs or some combination thereof. If road signs are used, those signs and their placements must comply with the provisions of the Manual on Uniform Traffic Control Devices for Streets and Highways,2
 published by the Federal Highway Administration (FHWA), particularly the Hazardous Cargo signs identified as R14-2 and R14-3 shown in Section 2B-4362 of that Manual.
2 This publication may be purchasedaccessed fromfree the Superintendent of Documents,charge U.S.on Governmentthe PrintingInternet Officeat (GPO), Washington, Dhttp://mutcd.Cfhwa. 20402 and has Stock Nodot. 050-001-81001-8gov/. It is available for inspection and copying as prescribed in 49 CFR part 7, appendix D. See 23 CFR part 655, subpart F.
(b) Reporting and publishing requirements. (1) Each State or Indian tribe, through its routing agency, shall provide information identifying all NRHM routing designations whichthat exist within theirits jurisdictionsjurisdiction:
(i) onElectronically, Novemberby 14,email 1994to HMRouting@dot.gov; or
(ii) By mail to the FHWAFederal Motor Carrier Safety Administration, HHSOffice of Enforcement and Compliance (MC-30SE), 4001200 7thNew St.,Jersey SWAve. SE, Washington, D.C.DC 20590-0001.
(2) byStates Marchand 13,Indian 1995tribes shall also submit to FMCSA the current name of the State or Indian tribal agency responsible for NHRM highway routing designations. The State or Indian tribe shall include descriptions of these routing designations, along with the dates they were established. This information may also be published in each State's official register of State regulations. Information on any subsequent changes or new NRHM routing designations shall be furnished within 60 days after establishment to the FHWAFMCSA.
(3)(i) ThisFMCSA information will beconsolidate availableinformation fromon the FHWANRHM routing designations, consolidatedmake byit theavailable FHWAon its website, https://www.fmcsa.dot.gov/regulations/hazardous-materials/national-hazardous-materials-route-registry, and publishedpublish it annually in whole or as updates in the Federal Register.
(ii) Each State or Indian tribe may also publish this information in its official register of State or tribal regulations.
(Approvedc) byA State or Tribally-designated route is effective only after it is published in the OfficeNational ofHazardous ManagementMaterials andRoute BudgetRegistry underon controlFMCSA's numberwebsite 2125at https://www.fmcsa.dot.gov/regulations/hazardous-0554)materials/national-hazardous-materials-route-registry.
[79 FR 59457, Oct. 2, 2014, as amended at 81 FR 68358, Oct. 4, 2016; 83 FR 22881, May 17, 2018; 83 FR 48726, Sept. 27, 2018; 87 FR 59037, Sept. 29, 2022]

49 CFR § 397.73 — Public information and reporting requirements.. Text current through October 22, 2026. This wording effective September 29, 2022 to present. Source: eCFR (current), https://www.ecfr.gov/current/title-49/section-397.73. Retrieved from FMCSR.com, https://fmcsr.com/reg/397.73, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) Public information. Information on NRHM routing designations must be made available by the States and Indian tribes to the public in the form of maps, lists, road signs or some combination thereof. If road signs are used, those signs and their placements must comply with the provisions of the Manual on Uniform Traffic Control Devices for Streets and Highways, published by the Federal Highway Administration (FHWA), particularly the Hazardous Cargo signs identified as R14-2 and R14-3 shown in Section 2B-62 of that Manual. This publication may be accessed free of charge on the Internet at http://mutcd.fhwa.dot.gov/.

(b) Reporting and publishing requirements. (1) Each State or Indian tribe, through its routing agency, shall provide information identifying all NRHM routing designations that exist within its jurisdiction:

(i) Electronically, by email to HMRouting@dot.gov; or

(ii) By mail to the Federal Motor Carrier Safety Administration, Office of Enforcement and Compliance (MC-SE), 1200 New Jersey Ave. SE, Washington, DC 20590-0001.

(2) States and Indian tribes shall also submit to FMCSA the current name of the State or Indian tribal agency responsible for NHRM highway routing designations. The State or Indian tribe shall include descriptions of these routing designations, along with the dates they were established. Information on any subsequent changes or new NRHM routing designations shall be furnished within 60 days after establishment to the FMCSA.

(3)(i) FMCSA will consolidate information on the NRHM routing designations, make it available on its website, https://www.fmcsa.dot.gov/regulations/hazardous-materials/national-hazardous-materials-route-registry, and publish it annually in whole or as updates in the Federal Register.

(ii) Each State or Indian tribe may also publish this information in its official register of State or tribal regulations.

(c) A State or Tribally-designated route is effective only after it is published in the National Hazardous Materials Route Registry on FMCSA's website at https://www.fmcsa.dot.gov/regulations/hazardous-materials/national-hazardous-materials-route-registry.

[79 FR 59457, Oct. 2, 2014, as amended at 81 FR 68358, Oct. 4, 2016; 83 FR 22881, May 17, 2018; 83 FR 48726, Sept. 27, 2018; 87 FR 59037, Sept. 29, 2022]

Amendment history

12 distinct wordings on file since Oct. 1, 1996
  1. Sept. 29, 2022 → presenteCFR, day-precisediff vs. previousviewing
    [79 FR 59457, Oct. 2, 2014, as amended at 81 FR 68358, Oct. 4, 2016; 83 FR 22881, May 17, 2018; 83 FR 48726, Sept. 27, 2018; 87 FR 59037, Sept. 29, 2022]
  2. Sept. 28, 2018 → Sept. 29, 2022eCFR, day-precisediff vs. previous
    [79 FR 59457, Oct. 2, 2014, as amended at 81 FR 68358, Oct. 4, 2016; 83 FR 22881, May 17, 2018; 83 FR 48726, Sept. 27, 2018]
  3. June 18, 2018 → Sept. 28, 2018eCFR, day-precisediff vs. previous
    [79 FR 59457, Oct. 2, 2014, as amended at 81 FR 68358, Oct. 4, 2016; 83 FR 22881, May 17, 2018]
  4. May 17, 2018 → June 18, 2018eCFR, day-precisediff vs. previous
    [79 FR 59457, Oct. 2, 2014, as amended at 81 FR 68358, Oct. 4, 2016]
  5. Jan. 1, 2017 → May 17, 2018eCFR, day-precisediff vs. previous
    [79 FR 59457, Oct. 2, 2014, as amended at 81 FR 68358, Oct. 4, 2016]
  6. Oct. 1, 2015 → Jan. 1, 2017annual editions 2015–2016diff vs. previous
    [79 FR 59457, Oct. 2, 2014]
  7. Oct. 1, 2014 → Oct. 1, 2015annual edition 2014diff vs. previous
    [36 FR 4876, Mar. 13, 1971, as amended at 72 FR 55703, Oct. 1, 2007; 78 FR 58485, Sept. 24, 2013]
  8. Oct. 1, 2013 → Oct. 1, 2014annual edition 2013diff vs. previous
    [36 FR 4876, Mar. 13, 1971, as amended at 72 FR 55703, Oct. 1, 2007; 78 FR 58485, Sept. 24, 2013]
  9. Oct. 1, 2007 → Oct. 1, 2013annual editions 2007–2012diff vs. previous
    [36 FR 4876, Mar. 13, 1971, as amended at 72 FR 55703, Oct. 1, 2007]
  10. Oct. 1, 2005 → Oct. 1, 2007annual editions 2005–2006diff vs. previous
  11. Oct. 1, 2001 → Oct. 1, 2005annual editions 2001–2004diff vs. previous
  12. Oct. 1, 1996 → Oct. 1, 2001annual editions 1996–2000

A new entry appears whenever the regulatory words change between government snapshots. Day-precise from the eCFR (2017 onward); before that, one snapshot per annual CFR edition (revised as of October 1). Bracketed citations are the Federal Register history printed with the section. Set a case date in the header to read any earlier wording.