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HD 300

An Act establishing time limits for idling trains

194th Legislature (2025-2026) Introduced by John Barrett and 1 co-sponsor

Massachusetts bill would cap how long trains can remain stationary on tracks to reduce noise, pollution, and traffic disruptions in communities near rail lines.

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Bill Summary · HD 300

Legislative bill overview

HD 300 would establish maximum time limits for trains to remain idle on tracks within Massachusetts. The bill aims to reduce congestion, pollution, and noise from stationary trains in residential and commercial areas. It would apply restrictions to both freight and passenger rail operations.

Why is this important

Idling trains create air quality concerns, noise pollution, and can block crossings that disrupt traffic flow and emergency response. Communities near rail yards and freight lines frequently experience these negative externalities, making this a quality-of-life issue for residents. The bill addresses whether states can regulate railroad operations, a traditionally federally-controlled sector.

Potential points of contention

  • Federal regulatory authority: Railroads are primarily regulated by the federal Surface Transportation Board; Massachusetts may face legal challenges asserting state jurisdiction over interstate commerce
  • Railroad operational efficiency: Idling time is often necessary for crew changes, mechanical inspections, and switching operations; arbitrary limits could increase operational costs and delay shipments
  • Enforcement mechanism: The bill's enforceability is unclear—how violations would be detected and penalized, and whether penalties would be sufficient to compel compliance

Compiled from official sources — confirm details with the bill’s official record.

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