Changes

'''Blocked trains''' are [[railcars]] grouped in a [[train]] by destination so that segments (blocks) can be uncoupled and routed to different destinations as the train moves through various junctions. This eliminates the need to break up a train and sort individual railcars at each junction.<ref>[http://www.marad.dot.gov/publications/glossary/glossary.html U.S. Department of Transportation Maritime Administration ]</ref>

'''Blocked trains''' are [[railcars]] grouped in a [[train]] by destination so that segments (blocks) can be uncoupled and routed to different destinations as the train moves through various junctions. This practice eliminates the need to break up a train and sort individual railcars at each junction.<ref>[http://www.marad.dot.gov/publications/glossary/glossary.html U.S. Department of Transportation Maritime Administration ]</ref>

==References==

==References==