FRA High-Speed Train Noise Emission Standards
Current understanding
To be populated as evidence accumulates.
Evidence log
- 2026-08-03 — High-Speed Train Noise Emission Standards: FRA NPRM proposes alternative noise emission standards for trains operating 160–220 mph and a special approval process for operations above 220 mph, intended to remove a regulatory barrier to U.S. high-speed rail while preserving public health protections. (novelty: 3)