A few I follow that don't seem to have been mentioned already. RMtransit - Good videos about Transit topics and individual transit systems https://www.youtube.

A few I follow that don't seem to have been mentioned already. RMtransit - Good videos about Transit topics and individual transit systems https://www.youtube.com/@RMTransit https://www.youtube.com/@RMTransit CityNerd - Very drool videos about cities and transit. US orientated https://www.youtube.com/@CityNerd https://www.youtube.com/@CityNerd Railways Explained - Railway topics https://www.youtube.com/@RailwaysExplained https://www.youtube.com/@RailwaysExplained Economics Explained - Reviews of economics topics https://www.youtube.com/@EconomicsExplained https://www.youtube.com/@EconomicsExplained What about it - Rockets but especially SpaceX's Starship https://www.youtube.com/@Whataboutit https://www.youtube.com/@Whataboutit