Lancaster v. Cox

(after stating the facts as above).

One of the issues presented by the pleadings in the case was as to whether appellants violated a rule of the Interstate Commerce Commission requiring a locomotive used in road service between sunset and sunrise to have a headlight which would afford sufficient illumination to enable a person in the cab of the locomotive, possessing the “usual visual capacity required of locomotive engineers, to see, in a clear atmosphere, a dark object as large as a man of average size standing erect at a distance of at least 800 feet ahead and in front of such headlight.”

The…