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[[File:Signal.png|220px|thumb|left|A Block Signal in Realistic View]][[File:Chain_Signal.png|200px|thumb|left|A Chain Signal in Realistic View]]
[[File:Signals all.JPG|400px|thumb|left|The Three Different Direction Configurations of Block Signals]]
{| class="wikitable"
! Type
! Construction Mode View / Block Signal! Construction Mode View / Chain Signal
! Information
|-
| Two way signal
| [[File:Two_way_signal.JPG|125px]]
| [[File:Two_way_signal_Chain.JPG|125px]]
| Allowing trains to pass in both ways - mostly used in dead end stations with low traffic.
|-
| One way signal
| [[File:One_way_signal.JPG|125px]]
| [[File:One_way_signal_chain.JPG|125px]]
| Allowing trains to move only in one direction - often used on double tracks with high traffic.
|-
|}
