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The National Ocean Sciences Bowl (NOSB) is a national high-school science competition managed by the Consortium for Ocean Leadership. It follows a quiz-bowl format, with lockout buzzers and extended team challenge questions to test students on their knowledge of oceanography. Questions cover the fields of biology, chemistry, geology, geography ...
Rail transport terms are a form of technical terminology applied to railways. Although many terms are uniform across different nations and companies, they are by no means universal, with differences often originating from parallel development of rail transport systems in different parts of the world, and in the national origins of the engineers and managers who built the inaugural rail ...
Glossary of North American railway terms. This article contains a list of terms, jargon, and slang used to varying degrees by railfans and railroad employees in the United States and Canada. Although not exhaustive, many of the entries in this list appear from time to time in specialist, rail-related publications.
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Reporting mark. A reporting mark is a code used to identify owners or lessees of rolling stock and other equipment used on certain rail transport networks. The code typically reflects the name or identifying number of the owner, lessee, or operator of the equipment. Similar to IATA airline designators. In North America, the mark, which consists ...
However, this application was abandoned in 1927 and the letter was used solely for 0-4-2 types from then onwards. After the letter was a number, which was unique to a particular class of locomotive. In 1923, these numbers were allocated (with a small number of exceptions) in the following order:
The AAR wheel arrangement system is a method of classifying locomotive (or unit) wheel arrangements that was developed by the Association of American Railroads. Essentially a simplification of the European UIC classification, it is widely used in North America to describe diesel and electric locomotives (including third-rail electric locomotives).
In Sweden [8] and Denmark, railway stations are assigned a capital letter followed by a sequence of lowercase letters that represent the station's name.For example, Stockholm commuter rail's Stockholm City Station has the station code Sci. [8] In Sweden the code is in a few cases a single capital letter, such as M for Malmö Central Station.