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Current textSource: eCFR

§ 393.82 Speedometer.

Current wording, in the annual edition revised as of Oct. 1, 2005.

eCFR (current) ↗
What changedOct. 1, 1996 wording → Oct. 1, 2005 wording (current)+31 added−54 removedHide

EveryEach bus, truck, and truck-tractor shallmust be equipped with a speedometer indicating vehicle speed in miles per hour, whichand/or shallkilometers beper operativehour. withThe reasonablespeedometer accuracy;must however,be thisaccurate requirement shall not apply to anywithin drivenplus vehicleor whichminus is8 partkm/hr of(5 amph) shipmentat being delivered in a driveaway-towawayspeed operation if such driven vehicle is equipped with an effective means of limiting80 itskm/hr maximum(50 speedmph).
[70 toFR 4548054, milesAug. per hour15, nor to any towed vehicle.2005]

49 CFR § 393.82 — Speedometer.. Text current through October 22, 2026. This wording effective October 1, 2005 to present. Source: eCFR (current), https://www.ecfr.gov/current/title-49/section-393.82. Retrieved from FMCSR.com, https://fmcsr.com/reg/393.82, on October 26, 2026. Unofficial compilation; verify against the official source.

Each bus, truck, and truck-tractor must be equipped with a speedometer indicating vehicle speed in miles per hour and/or kilometers per hour. The speedometer must be accurate to within plus or minus 8 km/hr (5 mph) at a speed of 80 km/hr (50 mph).

[70 FR 48054, Aug. 15, 2005]

Amendment history

2 distinct wordings on file since Oct. 1, 1996
  1. Oct. 1, 2005 → presentannual editions 2005–2016diff vs. previousviewing
    [70 FR 48054, Aug. 15, 2005]
  2. Oct. 1, 1996 → Oct. 1, 2005annual editions 1996–2004

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.