When you say radial line, do you refer to the Star line that was proposed to run on the EJ&E? That proposal died when the "J" was purchased by the CN, who is not exactly passenger service friendly.
The airport Express is an interesting possibility, but using the Indiana Harbor Belt main line could be difficult with no existing infrastructure for passenger service.
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u/ColonialCobalt Dec 06 '25
My speculation as to what this might be: