Somewhat related, SFMTA Muni is retiring its current bus stop displays because of AT&T 3G decommissioning. Probably not worth the effort, but presumably suffici

Somewhat related, SFMTA Muni is retiring its current bus stop displays because of AT&T 3G decommissioning. Probably not worth the effort, but presumably sufficiently motivated people could spoof legacy 3G and feed it any data they wish. https://www.masstransitmag.com/technology/passenger-info/signage-and-displays/press-release/21256697/san-francisco-municipal-transportation-agency-sfmta-att-3g-decommissioning-impacts-sfmtas-nextmuni-electronic-displays-at-transit-shelters https://www.masstransitmag.com/technology/passenger-info/sig...