Trains Let Cars Hit 45 MPH Near Special Curbs in Quiet Zones
Published Date: 4/28/2026
Rule
Summary
Starting May 28, 2026, trains can safely allow cars to drive up to 45 mph near special curbs called non-traversable curbs in quiet zones. This change helps drivers go a bit faster without extra train horn noise, making travel smoother and safer. It affects communities with these curbs and could save time and money by reducing unnecessary slowdowns.
Analyzed Economic Effects
3 provisions identified: 3 benefits, 0 costs, 0 mixed.
Higher speeds near non-traversable curbs
You can drive up to 45 miles per hour near non-traversable curbs used in quiet zones starting May 28, 2026. The final rule revises the definition of a non-traversable curb to allow use at locations where highway speeds do not exceed 45 mph and specifies those curbs are at least six inches high.
Fewer waiver requests, lower admin costs
The rule codifies five longstanding waivers about non-traversable curbs, so impacted parties no longer need to submit periodic waiver requests related to this definition. FRA states this will result in cost savings for impacted parties and will not have a significant economic impact on a substantial number of small entities.
Engineering controls recommended for safety
FRA adds a recommendation (in appendix A to part 222) that using non-traversable curbs at speeds up to 45 mph should incorporate appropriate engineering controls such as those recommended by organizations like AASHTO. This is guidance (recommended), not a mandatory standard.
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Key Dates
Department and Agencies
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