Check out these great urban planning channels on YouTube:
- Not Just Bikes https://www.youtube.com/c/notjustbikes
- Strong Towns https://www.strongtowns.org/
- Ray Delahanty | City Nerd https://www.youtube.com/CityNerd
- Oh The Urbanity https://www.youtube.com/@OhTheUrbanity
- City Beautiful https://www.youtube.com/citybeautiful
- Brent Toderian www.toderianurbanworks.com
Many of the channels are also available on Patreon, Nebula, as well as having Facebook and Instagram pages. These are great sources of information on urban planning, transit, and cycling and pedestrian infrastructure.