Lesson plan
Double heading
s. passenger train of the 1860s at Dale Creek Crossing near Sherman in southeastern Wyoming in Iowa, September 2006 In railroad terminology, double heading refers to the use of two locomotives at the front of a train, each operated separately by its own crew. Triple-heading refers to the use of three locomotives, while multi-heading refers to the use of multiple locomotives. The practice originated during the era of steam locomotives, but the use of two or more locomotives also remains common with modern diesel and electric locomotives. However, modern locomotives often operate using multiple-unit control, in which all locomotives are controlled by a single driver from the leading cab, rather than by separate crews.
Article summary
s. passenger train of the 1860s at Dale Creek Crossing near Sherman in southeastern Wyoming in Iowa, September 2006 In railroad terminology, double heading refers to the use of two locomotives at the front of a train, each operated separately by its own crew. Triple-heading refers to the use of three locomotives, while multi-heading refers to the use of multiple locomotives. The practice originated during the era of steam locomotives, but the use of two or more locomotives also remains common with modern diesel and electric locomotives. However, modern locomotives often operate using multiple-unit control, in which all locomotives are controlled by a single driver from the leading cab, rather than by separate crews.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.