https://www.youtube.com/watch?v=YdH5d1ZthmM
Selective+Door+Operation can be a great short-term option towards solving a long-term station problem.
https://www.eke-electronics.com/automatic-selective-door-operation-asdo
https://petardsrailsolutions.com/rail-solutions/automatic-selective-door-operation
https://www.reddit.com/r/transit/comments/orvvzh/how_to_save_money_on_platform_extensions_use
https://en.wikipedia.org/wiki/Selective_door_operation#International_variations
https://jfdatalinks.blogspot.com/search?q=Selective+Door+Operation
