| Artemios Klonos, 1cctlives, classick, alex26 and 2 other liked this |
S
slamdunk
Sep 21
Train is passing under Pennsylvania RR (PRR) style position light signals installed on all the approaches to Chicago Union Station when it was built in 1925. The PRR designed and managed the CUS project, thus the original choice for the signals. These signals have now been replaced with more modern signals.
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