# Railway noise exceeds limits; health impacts unclear 2026-08-07T19:09:45+00:00 | Governance | Indian Opinion Desk Corroboration: 1 independent outlet A 2024 study measured noise at 10 sites near Delhi railway stations and found levels exceeding Central Pollution Control Board limits. Residents reported sleep disturbance and other effects. A follow-up study in 2025 monitored 1,057 train pass-bys in 14 informal settlements in Delhi; noise exceeded residential limits at every site. Freight trains were loudest, and diesel locomotives were louder than electric ones. However, researchers say long-term epidemiological evidence linking railway-noise exposure to clinically measurable health outcomes in India remains limited. Experts also note that current monitoring methods overlook night-time disturbance, cumulative exposure and ground vibration, which together shape health impacts. Rajeev Kumar Mishra of Delhi Technological University led both studies. Former chief scientist Mahavir Singh said India's monitoring framework should become more exposure-oriented and community-centric. Without long-term data, the true public-health burden of railway noise is poorly understood. ## Coverage - india.mongabay.com Tags: CPCB, Delhi, environmental regulation, health, pollution, railway noise Canonical: https://indianopinion.org/railway-noise-exceeds-limits-health-impacts-unclear/ License: Summary and commentary (c) Indian Opinion, reusable with attribution. Facts belong to the linked sources. Cite: https://indianopinion.org/railway-noise-exceeds-limits-health-impacts-unclear/#story-in-brief Review state: restored archive article, accurate at time of publication, not offered to search indexes.