How to Measure Queue Lengths Accurately on Roads
A queue that appears to extend 120 metres on a traffic operator’s screen may be 70 metres in reality, or substantially longer if vehicles are creeping, stopping irregularly or occupying multiple approach lanes. That difference affects every decision made from the...
Vehicle Classification Analysis for Better Roads
A detector that merely confirms a vehicle is present can keep a junction operating. A detector that identifies what kind of vehicle has arrived can help the authority operate the whole corridor better. Vehicle classification analysis turns passing traffic into...
Which Detector Suits Bus Priority at Signals?
A bus can lose its timetable advantage in a single poorly detected approach. If the signal controller receives a late, false or missed call, the vehicle either stops unnecessarily or receives priority too late to be useful. The question, which detector suits bus...