McMaster University researchers are developing a radio frequency identification (RFID) application that would enable public transit operators to monitor the location of crews working on subway tracks. The subway system is difficult to work on because some sections are above ground while other sections are below ground, which can affect the behavior of the RFID equipment, says McMaster RFID Lab (MRAL) founder Pankaj Sood. MRAL is working on a system that would let inspectors and other track workers wear RFID cards and have their location transmitted to readers near the tracks. MRAL will look at other systems besides RFID and study how people react to the data provided, Sood says. "It needs to be in a format that they should be able to process and respond to in a timely manner," he says.
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