https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/6077046Edit ImageSaveSaveEditCropCustom TextDistrict Line S Stock trains at Upminster station - these are in near original condition, before modification for the computerised CBTC train control system.Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 900 px | 300 dpiLarge JPEG 3500 x 2625 px | 300 dpiBest Quality JPEG 3712 x 2784 px | 300 dpiFree DownloadDistrict Line S Stock trains at Upminster station - these are in near original condition, before modification for the computerised CBTC train control system.More