One reversing loop to support reversing in both directions off the mainline?


I am building a relatively simple O scale layout where I have a reversing loop within a circular mainline.  It currently reverses trains in one direction using a PSX-AR in the reversing section.  Ideally I would have a second reversing loop for the other direction but I do not have space.  It occurred to me that I might be able to use the existing  reversing loop by connecting from other mainline direction into the reversing loop entry point.  Is there anything I am missing re: using a loop for both directions?

BTW I would post a sketch but I do not have the photo icon in the editor...  maybe because I am new member moderated in this group.

Thanks for any thoughts here.

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