thumb|right|upright=1.4|1907 map showing the projected Chicago–New York Electric Air Line Railroad Alexander C. Miller had greater ambitions. In 1906, he launched the Chicago-New York Electric Air Line Railroad project to reduce the running time between the two big cities to ten hours by using electric locomotives. After seven years of effort, however, less than of arrow-straight track was finished. A part of the line is still used as one of the last interurbans in the US.
thumb|right|upright=14|1907 map showing the projected Chicago–New York Electric Air Line Railroad Alexander C. Miller had greater ambitions. In 1906 he launched the Ch.icago-New York Electric Air Line Railroad project to reduce the running time between the two big cities to ten hours by using electric locomotives. After seven years of effort, however, less than of arrow-straight track was finished. A part of the line is still used as one of the last interurbans, in the US.