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| U.I.C. |
European Rail Association |
| Uncle Sam |
Railway Post Office clerk. |
| Uncoupling lever |
Also called a cut lever. The device which raises the
locking pin in a coupler to allow the knuckle to open for uncoupling. |
| Under The Table |
Just as a man who "can't take his liquor" is
sometimes actually under the table, so, figuratively, is a telegraph
operator when messages are being sent to him faster than he can receive. |
| Underframe |
Framework or structure which supports the body of a rail
car. |
| Undergrade Bridge |
(UG) Any point where the trackage crosses above any
railroad, automotive, or pedestrian right of way, or stream. |
| Underground Hog |
Chief engineer. |
| Undesired Emergency |
(UDE) An undesired emergency application of a train's air
brake system. (Also known as "Dynamiter" or
"Kicker".) |
| Unit |
A single locomotive or two or more locomotives that are
coupled together and operated by one engineer. |
| Unit Train |
A freight train consisting of one type of freight car,
usually hopper cars for carrying coal or grain. Unit trains are seldom,
broken up, and tend to operate continuously from loading to unloading
point. |
| Unload |
Get off train hurriedly. |
| Up-Line |
Line over which trains normally travel towards the
headquarters of the railway company. |
| Up-Train |
One which travels on or in the direction of the up line. |
| USRA |
United States Railway Administration. The USRA took over
and operated American Railroads during World War I. It was responsible
for certain long lasting and "standard" locomotive designs. |