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Contact Congress about S. 3903: Railway Safety Act of 2026

Freight trains carrying dangerous materials would have to run under stricter safety rules. The bill adds speed limits, inspections, crew rules, better tank cars, real-time cargo data, and more help for local emergency responders.

Modern Action explains legislation in plain English, helps you choose whether to support, oppose, or ask for changes, and drafts a message tied to the bill, your stance, and the elected officials who can act on it.

Railway Safety Act of 2026 is a Senate bill in committee. The latest recorded action: Read twice and referred to the Committee on Commerce, Science, and Transportation.

Latest action on S. 3903: Read twice and referred to the Committee on Commerce, Science, and Transportation.

Who this affects: This bill mainly affects large freight railroads, shippers of hazardous materials, rail workers, emergency responders, and communities near rail lines. Railroads would have to meet new safety, staffing, inspection, data-sharing, and equipment rules. Local responders and governments could get more information, training, equipment support, and emergency funds after serious incidents.

Why this matters: Hazardous train crashes can put nearby people, workers, and first responders at risk. This bill tries to lower that risk by slowing certain trains, improving inspections, adding defect detectors, and making emergency information easier to get. It could also raise costs for railroads and shippers. The real effect depends on how federal agencies write the rules and how rail companies follow them.

Key provisions in S. 3903

  • The bill defines which trains count as high-hazard trains. It uses the number and type of hazardous materials cars, including flammable liquids, flammable gases, explosives, toxic inhalation materials, and certain radioactive materials.
  • The Transportation Secretary must set train speed rules within 1 year. The rules would include a 50 mph general limit and a 40 mph limit for certain high-hazard trains in high-threat urban areas, unless every tank car meets newer safety standards.
  • Class I railroads moving hazardous materials must create accurate electronic train cargo lists in real time. They must share those lists securely with fusion centers, which are state and regional security centers, and with state and tribal emergency commissions.
  • Class I railroads must give emergency officials detailed reports on hazardous materials traffic and routes. State and tribal emergency response commissions must share that information with local agencies when asked.
  • Class I railroads that run high-hazard trains must prepare hazardous materials emergency response plans. They must work with states and Tribes, and the plans must be reviewed and audited every 3 years.

How Modern Action helps you take action on S. 3903

You do not have to start with a blank letter. Modern Action turns the bill, your position, and the relevant congressional context into a message you can edit and send. The goal is to make contacting Congress clear, specific, and useful without forcing you to parse bill text or figure out the right office on your own.

Questions people ask about S. 3903

What is S. 3903?
Freight trains carrying dangerous materials would have to run under stricter safety rules. The bill adds speed limits, inspections, crew rules, better tank cars, real-time cargo data, and more help for local emergency responders.
How do I support or oppose S. 3903?
Choose support, oppose, or ask for changes on Modern Action. The action flow drafts the message for you and keeps the wording tied to this bill.
Who should I contact about S. 3903?
Modern Action uses your location to route the action to the congressional offices relevant to the bill and your representation.
Can Modern Action explain S. 3903 before I act?
Yes. Modern Action gives you a plain-English summary, current status, and action context before you send anything.

Keep acting on Modern Action

More ways to act on this issue

Compare the broader issue and related bills without leaving Modern Action.

Related bills

  • Take action on H.R. 7662: Railroad Safety Enhancement Act of 2026
  • Take action on H.R. 7748: Railway Safety Act of 2026