> If enough people used high-speed rail to overwhelm the cell system we'd probably see announcements to put phones in airplane mode there too, but very few folk

> If enough people used high-speed rail to overwhelm the cell system we'd probably see announcements to put phones in airplane mode there too, but very few folks will travel long distances at high speeds on a train. Millions of people travel long distances on trains: 353 million/year on the Shinkansen network, 1.5+ billion/year on China high-speed rail, 110 million on France's TGV. These passengers use their phone without overloading the cell networks.