Figure 2.3.
Track Check Converted to a Switch List.
a. Cutting a train.
In making his cuts, the yardmaster always
makes them at the beginning or at the end of a group or block of
cars--ordinarily, the block is never broken.
Generally, the cut is
made at the end of a block to eliminate moving the block up and down
the lead while cars ahead are being switched to their proper tracks.
The blocks of cars shown in the switch list in figure 2.3 for the
particular train are NOT in proper order. This is not a violation of
the grouping principle because the train was
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