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Reading the regulations as they stood on September 30, 2002. Current text may differ.Switch to current
Historical textIn force on Sept. 30, 2002Source: annual CFR editions 1996–2002

§ 397.17 Tires.

Wording first on file in the 1996 annual edition, superseded by the 2003 annual edition.

govinfo, 2001 edition ↗
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2001 edition's wording. An amendment that took effect between Oct. 1, 2001 and Sept. 30, 2002 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 397.17 — Tires.. Text in force on September 30, 2002. This wording effective October 1, 1996 to October 1, 2003. Source: govinfo, 2001 edition, https://www.govinfo.gov/app/details/CFR-2001-title49-vol4/CFR-2001-title49-vol4-sec397-17. Retrieved from FMCSR.com, https://fmcsr.com/reg/397.17?asof=2002-09-30, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) If a motor vehicle which contains hazardous materials is equipped with dual tires on any axle, its driver must stop the vehicle in a safe location at least once during each 2 hours or 100 miles of travel, whichever is less, and must examine its tires. The driver must also examine the vehicle's tires at the beginning of each trip and each time the vehicle is parked.

(b) If, as the result of an examination pursuant to paragraph (a) of this section, or otherwise, a tire if found to be flat, leaking, or improperly inflated, the driver must cause the tire to be repaired, replaced, or properly inflated before the vehicle is driven. However, the vehicle may be driven to the nearest safe place to perform the required repair, replacement, or inflation.

(c) If, as the result of an examination pursuant to paragraph (a) of this section, or otherwise, a tire is found to be overheated, the driver shall immediately cause the overheated tire to be removed and placed at a safe distance from the vehicle. The driver shall not operate the vehicle until the cause of the overheating is corrected.

(d) Compliance with the rules in this section does not relieve a driver from the duty to comply with the rules in §§ 397.5 and 397.7.

Amendment history

4 distinct wordings on file since Oct. 1, 1996
  1. Oct. 1, 2006 → presentannual editions 2006–2016diff vs. previous
  2. Oct. 1, 2004 → Oct. 1, 2006annual editions 2004–2005diff vs. previous
  3. Oct. 1, 2003 → Oct. 1, 2004annual edition 2003diff vs. previous
    [36 FR 4876, Mar. 13, 1971, as amended at 68 FR 62192, Oct. 4, 2002]
  4. Oct. 1, 1996 → Oct. 1, 2003annual editions 1996–2002viewing

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.