FMCSAProposed Rule
Federal Motor Vehicle Safety Standards; Federal Motor Carrier Safety Regulations: Parts and Accessories Necessary for Safe Operation; Speed Limiting Devices; Withdrawal
Transportation
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Summary
The Federal Motor Carrier Safety Administration is withdrawing a proposed rule that would have required large trucks to have speed-limiting devices installed to prevent them from going too fast. This rule was proposed to make highways safer, but the agency has decided to pull back this requirement.
Key Points
- 1The rule would have mandated speed limiters on commercial trucks and buses to restrict maximum speeds for safety reasons
- 2The FMCSA is withdrawing this proposed requirement, meaning it will not move forward as currently written
- 3Speed limiters are devices that prevent vehicles from accelerating beyond a set speed, similar to cruise control but with a maximum speed cap
- 4This withdrawal affects trucking companies and bus operators who would have faced compliance costs if the rule had been finalized
- 5The decision suggests the agency is reconsidering whether mandatory speed limits on trucks are the best way to improve highway safety
Impact Assessment
If you are a transportation company or truck manufacturer, this means you will not be required to install speed-limiting devices on large trucks, eliminating anticipated compliance costs but potentially maintaining higher highway safety risks.
Impact Level
Moderate
Geographic Scope
National
Compliance Cost
None
Who is Affected
Transportation CompaniesManufacturersWorkers/Laborers
Key Dates
Published
July 24, 2025
Regulatory Connections
Authorized By
Amends CFR Sections
49 CFR Part 57149 CFR Part 390
This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.
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