M.T.A. Pins Its Hopes on Unproven Technology to Fix Subway
Subway officials hope ultra-wideband radio will help modernize the signal system, but the technology has not been used on a major transit system.
M.T.A. Pins Its Hopes on Unproven Technology to Fix Subway
Subway officials hope ultra-wideband radio will help modernize the signal system, but the technology has not been used on a major transit system.