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Following the Signs![]() In the beginning, engineers followed hand signals. Later, mechanical signals took the place of the hand signals. By the 1920s electric color light signals were being used day and night. The colored lights keep the engineer informed about the status of the track ahead. ![]() The conductor would signal the engineer with a flag during the day and an oil lamp at night. The glass could be changed to show green (go), red (stop), or white (general use) signal. |
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Midwest Central Railroad Mount Pleasant, Iowa 52641 319−385−2912 (updated 15Aug08) |