Method to detect malfunctioning traffic count stations

This study presents a method for the automatic detection of malfunctioning traffic count stations (TCS) in a transport system. First, double linear optimisation is used to detect inadmissible errors in the recordings of a series of TCS and next, the TCS that are most likely to be failing are identified. The method has been applied to an urban traffic network showing success rates up to 93% in identifying the TCS that are failing.