https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/555056Edit ImageSaveSaveEditCropCustom TextTesting of the Amtrak Acela high-speed train in Pueblo, Colorado before it was put into service on the East Coast. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by rawpixel.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 946 px | 300 dpiLarge JPEG 3500 x 2761 px | 300 dpiBest Quality JPEG 4042 x 3188 px | 300 dpiTIFF 4042 x 3188 px | 300 dpi | 73.76 MBFree DownloadTesting of the Amtrak Acela high-speed train in Pueblo, Colorado before it was put into service on the East Coast. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by rawpixel.More