Sybertron t1_iyez0e5 wrote
Reply to comment by phasmos in Where do the emergency exits in the Squirrel Hill tunnel come out? Wouldn’t they have to be In people’s backyards? by sqqueen2
I wonder if they used to have tiny rail cop cars like NYCs tunnels did
https://autojosh.com/in-the-1960s-new-york-police-patrol-the-tunnels-in-these-tiny-electric-cars/
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