To direct the Secretary of Transportation to issue certain regulations to update the definition of motorcycle, and for other purposes.

Overview: HR 3385, introduced in the House of Representatives on May 14, 2025, aims to direct the Secretary of Transportation to issue regulations to update the definition of "motorcycle" for regulatory purposes.

Purpose and Intent: The bill seeks to modernize the federal definition of a motorcycle to better reflect the evolving landscape of two-wheeled vehicles, including electric and alternative-fuel models. The goal is to ensure that relevant transportation regulations and policies keep pace with technological advancements.

Key Provisions:
- Requires the Secretary of Transportation to review and update the definition of "motorcycle" in federal regulations
- Directs the Secretary to consider factors such as engine displacement, power output, and vehicle weight in the updated definition
- Mandates that the revised definition be published and implemented within 18 months of the bill's enactment

Affected Parties and Impacts: The updated motorcycle definition would primarily impact manufacturers, dealers, and operators of two-wheeled vehicles, as well as federal agencies responsible for regulating transportation and vehicle safety.

Procedural and Timeline Considerations: HR 3385 has been introduced in the House and is currently awaiting further legislative action.