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Sites about the history of passenger and freight transportation technology.
A monorail utilizes a single rail serving as a track for passenger or freight vehicles. In most cases it is elevated, but monorails can also run at grade, below grade, or in subway tunnels. Vehicles are either suspended from or straddle a narrow guideway. Monorail vehicles are WIDER than the guideway that supports them.
Please submit only sites relating to the Society of Automotive Engineers or affiliated organizations.
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University and other educational and scientific organizations studying transportation problems and issues.
This category lists resources dealing with the techniques and applications of traffic calming.

If you are a pavement product supplier, please submit your site to the Pavement category.

This category lists resources dealing with the techniques and applications of traffic calming. If you are a pavement product supplier, please submit your site to the Pavement category.
Lists sites about transportation systems using fixed tubes, with cargo in suspension or in capsules. Taken literally, tube based transportation is that in which the system's way (the equivalent of the road or rail line) is a tube. 'Tube' can be interpreted in a wide range of ways, to include pipelines and almost any form of underground transport. Sites listed here typically relate to developing technology, and/or involve technology or applications which are uncommon or not widely implemented for commercial transportation purposes.
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Last update: Friday, January 3, 2014 12:15:10 PM EST - edit