I honestly don't think there's any plan or evidence that they're planing on platforms being long enough to couple 3 trains together. It's not anywhere on the 30-year operations plan. The gauntlet tracks along the spur are built to permit freight trains to bypass a platform that is long enough for two trains coupled together.
It brings to mind one of my favourite quotes, "...and if my grandmother had wheels she would have been a bicycle".
It brings to mind one of my favourite quotes, "...and if my grandmother had wheels she would have been a bicycle".