The lead actor (star) of Danger Lights is indeed seen working in a (Miles City Shops) roundhouse. But he was former engineer. I will need to watch it again, to recall the premise for how he fell from that job, but he had been fired or had quit from elsewhere on the system for some troubled situation. Had the paperwork on him as being a qualified engineer and a letter of recommendation. Also, the Milwaukee Road did stage publicity tugs of war. A couple of the most famous on the west end (Coast Division), were demonstrations of their newly completed electrification's capabilities, between a Bipolar electric and different types of their large steam power. The Bipolars won every single try.... These are documented in historical society publications and several photos have been seen in numerous books.