USA Pics

Another low quality picture I took of the USSC shops. Note the trucks from a former South Central Florida Express (SCXF) GP7U. That GP9 is probably parts to some steel structure somewhere by now.
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Technically that's an extra, not a symbol freight.

Symbol freight classifications are generally shorter, for example on the LE&E, you have several types:

Some describe the destinations or the endpoints. Generally these are for more general traffic, but still blocked for specific destinations.
NY-1/2 are hotshot reefer trains between Chicago - New York
NY-3/4 are the same but between Cincinnati - New York

You also get trains named for specific services, which are more specialized in what they accomplish:
EF-1/2, EF-3/4, and EF-5/6 (EF stands for Eastern Forwarder) are all trains with large amounts of traffic based for non-LE&E destinations. EF-1/2 are routed from New England through Cincinnati and connect with the CA&L for points south. EF-3/4 are also routed from New England through Cincinnati but instead take the OR&W for western destinations. EF-5/6 connect with both roads in Cincinnati and terminate in Pittsburgh, where the cars are blocked into other trains headed for intermediate LE&E destinations.

LCL-1 and LCL-2 are hotshot freights specifically blocked with priority Less than Carload traffic between Boston and Chicago, LCL-3/4 are the same between Boston and Cincinnati.

Generally extras on the LE&E are proceeded by the designation EX (extra) followed by the locomotive number and the direction of travel. The designations do not include endpoints or destinations, nor do they include any description of the traffic being carried, just direction of travel and the loco number. I think this was fairly standard across railroads.


Proto roads followed similar practices, but generally the designations had a degree of uniqueness to them. NYC LCL Pacemaker fast freights, for example, were classified with both endpoints in the designation: BN-1/NB-2 ran between New York and Buffalo, BB-1/BB-2 ran between Boston and Buffalo, etc. The PRR initially ran its first piggyback trains under the TT designation for Truck Train.

There's also the question of how extras were run. For example, some roads, like the NYC, used very few extras, instead using more timetabled and symbol freights to move their traffic. Other roads, like the PRR, relied heavily on extras and used them to a large degree. The LE&E, in this case, uses symbol freight designations for priority traffic or specialized traffic, and then extra designations for most other stuff.

It all really depends on the road, time, etc, but one thing that's for sure is that extras are much easier to include as a description in screenshots!


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