Just a question. How many ATLS triggers are need to run this:
This is BNSF50's Grade Xing FEC 6L 90R Cantilevers & Grade Xing NRC 6L Artic w ped gate. There's two tracks passing through. Should I use the four trigger system for each track or eight or sixteen.
This is BNSF50's Grade Xing FEC 6L 90R Cantilevers & Grade Xing NRC 6L Artic w ped gate. There's two tracks passing through. Should I use the four trigger system for each track or eight or sixteen.
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