To simplify the problem of running trains all railroads are divided into
divisions. A division may be three or four hundred miles long or it may be thirty or
forty miles long. Each division is operated as s small ____. The ____ with a long
run may change ____ and ____ several times before it arrives at the station of its
destination.
Each railroad has regular trains and extra trains. A regular ____ is a train
running according to ____.
Regular trains have definite times of leaving and definite times for arrival at
the station where they complete their run.
Extra trains are not common on our railroads. They are usually work trains
ТВ wreck trains.
simplify – упрощать
running - зд. движение
extra train - дополнительный поезд
complete - заканчивать
wreck train- аварийный поезд