Major Railway Lnight — OpenDataNI

Source   Lden Lnight   Lday   Levening   LAeq,16hr   LAeq,6hr   LAeq,18hr   Major Railway  Those which have more than 30,000 train passages per year (for mapping rounds other than Round 1) The day-evening-night level indicator for overall annoyance, based upon annual average A-weighted long-term sound over 24 hours. It includes a 5 dB(A) penalty for evening noise (19:00-23:00) and a 10 dB(A) penalty for night-time noise (23:00-07:00) The night level indicator for sleep disturbance, based upon the A-weighted, Leq (equivalent sound level) determined over all the 8-hour night periods (23:00-07:00) of a year The day level, the A-weighted, Leq (equivalent sound level), determined over all the 12-hour day periods (07:00-19:00) of a year The evening level, the A-weighted, Leq (equivalent sound level) determined over all the 4-hour evening periods (19:00-2 Publisher: OpenDataNI (via data.gov.uk). Delivered as a cleaned, analysis-ready CSV table.

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