https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8800080Edit ImageSaveSaveEditCropCustom TextApproaching MBTA (Metropolitan Boston Transit Authority) Train Records 87 Decibels on Noise Meter. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 816 x 1200 px | 300 dpiLarge JPEG 2040 x 3000 px | 300 dpiFree DownloadApproaching MBTA (Metropolitan Boston Transit Authority) Train Records 87 Decibels on Noise Meter. Original public domain image from FlickrMore