English: Original caption: "Figure 1-1: U.S. Standard Light Rail Vehicle". Additional information: Taken during testing on the U.S. Department of Transportation's
Transportation Technology Center test track near Pueblo, Colorado, in the first quarter of 1976.
Uncredited photographer(s) and illustrator(s) working for Boeing Vertol, the preparer of the report. Because the report was funded by the U.S. Department of Transportation / Urban Mass Transportation Administration, public domain is claimed and enforced through the title page of this report: "Document is available to the public through the National Technical Information Service, Springfield, Virginia 22161".