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LD 1644

An Act To Require Train Axle Bearing Sensors To Be Installed On Passenger Rail Lines

132nd Legislature (2025-2026) Introduced by Jan Dodge and 4 co-sponsors

Requires axle bearing sensors on passenger trains to monitor wheel temperatures, enabling early fault detection and safer, proactive rail maintenance.

Pursuant to Joint Rule 310.3 Placed in Legislative Files (DEAD)
#railroads #safety #wheeltemperaturesensors
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WeVote Research Nonpartisan
Bill Summary · LD 1644

Summary of LD 1644: An Act To Require Train Axle Bearing Sensors To Be Installed On Passenger Rail Lines (DEAD)

Overview

LD 1644 proposes to require the installation of axle bearing sensors on passenger rail lines, focusing on monitoring wheel temperatures to enhance safety. The bill’s subject aligns with rail safety, particularly wheel temperature sensing. As of the current status, the bill is inactive (dead) and was placed in legislative files pursuant to Joint Rule 310.3.

Purpose and Intent

  • Improve safety on passenger rail lines by enabling real-time monitoring of axle bearing conditions, specifically temperature, to detect overheating or bearing deterioration before failures occur.
  • Provide a regulatory framework or mandate for sensor installation to support proactive maintenance and incident prevention.

Key Provisions (indicative based on title and subject)

  • Require installation of axle bearing sensors on passenger rail equipment operating on passenger rail lines.
  • Emphasize monitoring of wheel/axle bearing temperatures as a safety data source.
  • Likely establish obligations for rail operators or owners to implement sensor systems and possibly integrate data with a reporting or oversight mechanism.
  • Potentially outline compliance timelines, testing/validation requirements, and maintenance standards for the sensor systems.
  • May include provisions related to data collection, reporting to an overseeing agency, privacy or security considerations, and enforcement mechanisms.
  • Note: The exact wording, timelines, penalties, and regulatory details are not provided in the summary you supplied. The proposed provisions would be defined in the full bill text.

Affected Parties

  • Passenger rail operators and rail infrastructure owners/managers.
  • State transportation or regulatory agencies responsible for rail safety and oversight.
  • Suppliers and manufacturers of axle bearing sensors and related monitoring technology.
  • Rail maintenance personnel and safety programs.

Legislative History and Status

  • Introduced: April 11, 2025.
  • Referred to the Senate/Committee: Received by the Secretary of the Senate on April 11, 2025 and REFERRED to the Committee on TRANSPORTATION pursuant to Joint Rule 308.2.
  • Committee actions: Work Session held May 8, 2025; Voted ONTP (Ought Not To Pass) on May 8, 2025.
  • Report: May 13, 2025 – Reported Out ONTP.
  • Final status: Pursuant to Joint Rule 310.3, placed in Legislative Files (DEAD) on May 20, 2025.
  • Note on status: The bill did not advance to enactment and is not currently law.

Procedural and Timeline Considerations

  • Timeline from introduction to committee action spanned approximately one month in April–May 2025.
  • The bill progressed to a formal committee vote (ONTP) and was reported out with the same designation before being moved to legislative files as dead.
  • Being marked as DEAD indicates no immediate path to passage this session absent further action or reintroduction.

Potential Impacts if Enacted (Hypothetical)

  • Public safety: Earlier detection of axle bearing issues on passenger trains, potentially reducing derailment risk linked to bearing failures.
  • Operational: Additional capital and maintenance costs for rail operators to install, maintain, and monitor sensors.
  • Regulatory: Creation or clarification of state safety requirements for passenger rail operations and data reporting.
  • Industry: Demand for sensor technology suppliers and integration with existing rail control and maintenance systems.

Note

This summary reflects the information provided. The full text would specify exact requirements, timelines, funding, enforcement, and any exemptions. As of now, LD 1644 is in the DEAD status and has not become law.

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

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