FMCSA extends comment period on speed-limiter proposal

First published by Safety+Health an NSC publication

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Photo: Missouri Department of Transportation Flickr

Washington — Responding to stakeholder requests, the Federal Motor Carrier Safety Administration (FMCSA) has extended until July 18 the comment period on a proposed rule that would require the installation of speed-limiting devices on trucks, buses and multipurpose passenger vehicles weighing more than 26,000 pounds.

As outlined in a notice published in the May 27 Federal Register, the extension provides interested parties additional time to submit responses. The initial deadline was June 3.

FMCSA, in the May 4 Federal Register, published an advance notice of supplemental proposed rulemaking that expands on a 2016 joint proposal from the National Highway Traffic Safety Administration and FMCSA. The latter is the sole agency listed on the proposal, which doesn’t specify a top speed. The 2016 proposed rule suggested capping speeds at 60, 65 or 68 mph.

FMCSA offers multiple questions on which stakeholders may comment, including:

  • What percentage of the commercial motor vehicle fleet uses speed-limiting devices?
  • If in use, at what maximum speed are the devices generally set?
  • What training or skill sets are needed for motor carriers’ maintenance personnel to adjust or program electronic engine control units to set speed limits?
  • What equipment or tools are needed to adjust or program/reprogram ECUs? How long would the process take, and where can it be completed?
  • Since publication of the notice of proposed rulemaking in 2016, how has standard practice or technology changed as it relates to the ability to set speed limits using ECUs?
    FMCSA extended comment period on speed-limiting

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