§FMCSR.com
Historical textIn force on Oct. 1, 2003Source: annual CFR editions 2001–2004

§ 397.103 Requirements for State routing designations.

Wording in the annual edition revised as of Oct. 1, 2001, superseded by the 2005 annual edition.

govinfo, 2003 edition ↗
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2003 edition's wording. An amendment that took effect between Oct. 1, 2003 and Oct. 1, 2003 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 397.103 — Requirements for State routing designations.. Text in force on October 1, 2003. This wording effective October 1, 2001 to October 1, 2005. Source: govinfo, 2003 edition, https://www.govinfo.gov/app/details/CFR-2003-title49-vol4/CFR-2003-title49-vol4-sec397-103. Retrieved from FMCSR.com, https://fmcsr.com/reg/397.103?asof=2003-10-01, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) The State routing agency, as defined in § 397.201(c), shall select routes to minimize radiological risk using “Guidelines for Selecting Preferred Highway Routes for Highway Route Controlled Quantity Shipments of Radioactive Materials,” or an equivalent routing analysis which adequately considers overall risk to the public. Designations must be preceded by substantive consultation with affected local jurisdictions and with any other affected States to ensure consideration of all impacts and continuity of designated routes.

(b) State routing agencies may designate preferred routes as an alternative to, or in addition to, one or more Interstate System highways, including interstate system bypasses, or Interstate System beltways.

(c) A State-designated route is effective when—

(1) The State gives written notice by certified mail, return receipt requested, to the Office of Enforcement and Compliance (MC-ECH), Attn: National Hazardous Materials Route Registry, 400 Seventh Street, SW., Washington, DC 20590.

(2) Receipt thereof is acknowledged in writing by the FMCSA.

(d) A list of State-designated preferred routes and a copy of the “Guidelines for Selecting Preferred Highway Routes for Highway Route Controlled Quantity Shipments of Radioactive Materials” are available upon request to Office of Enforcement and Compliance (MC-ECH), 400 Seventh Street, SW., Washington, DC 20590.

[57 FR 44131, Sept. 24, 1992, as amended at 66 FR 49874, Oct. 1, 2001]

Amendment history

10 distinct wordings on file since Oct. 1, 1996
  1. Sept. 29, 2022 → presenteCFR, day-precisediff vs. previous
    [57 FR 44131, Sept. 24, 1992, as amended at 66 FR 49874, Oct. 1, 2001; 72 FR 55703, Oct. 1, 2007; 79 FR 59458, Oct. 2, 2014; 81 FR 68359, 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
    [57 FR 44131, Sept. 24, 1992, as amended at 66 FR 49874, Oct. 1, 2001; 72 FR 55703, Oct. 1, 2007; 79 FR 59458, Oct. 2, 2014; 81 FR 68359, 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
    [57 FR 44131, Sept. 24, 1992, as amended at 66 FR 49874, Oct. 1, 2001; 72 FR 55703, Oct. 1, 2007; 79 FR 59458, Oct. 2, 2014; 81 FR 68359, Oct. 4, 2016; 83 FR 22881, May 17, 2018]
  4. May 17, 2018 → June 18, 2018eCFR, day-precisediff vs. previous
    [57 FR 44131, Sept. 24, 1992, as amended at 66 FR 49874, Oct. 1, 2001; 72 FR 55703, Oct. 1, 2007; 79 FR 59458, Oct. 2, 2014; 81 FR 68359, Oct. 4, 2016]
  5. Jan. 1, 2017 → May 17, 2018eCFR, day-precisediff vs. previous
    [57 FR 44131, Sept. 24, 1992, as amended at 66 FR 49874, Oct. 1, 2001; 72 FR 55703, Oct. 1, 2007; 79 FR 59458, Oct. 2, 2014; 81 FR 68359, Oct. 4, 2016]
  6. Oct. 1, 2015 → Jan. 1, 2017annual editions 2015–2016diff vs. previous
    [57 FR 44131, Sept. 24, 1992, as amended at 66 FR 49874, Oct. 1, 2001; 72 FR 55703, Oct. 1, 2007; 79 FR 59458, Oct. 2, 2014]
  7. Oct. 1, 2007 → Oct. 1, 2015annual editions 2007–2014diff vs. previous
    [57 FR 44131, Sept. 24, 1992, as amended at 66 FR 49874, Oct. 1, 2001; 72 FR 55703, Oct. 1, 2007]
  8. Oct. 1, 2005 → Oct. 1, 2007annual editions 2005–2006diff vs. previous
    [57 FR 44131, Sept. 24, 1992, as amended at 66 FR 49874, Oct. 1, 2001]
  9. Oct. 1, 2001 → Oct. 1, 2005annual editions 2001–2004diff vs. previousviewing
    [57 FR 44131, Sept. 24, 1992, as amended at 66 FR 49874, Oct. 1, 2001]
  10. Oct. 1, 1996 → Oct. 1, 2001annual editions 1996–2000
    [57 FR 44131, Sept. 24, 1992]

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.