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Signal systems for speeding traffic and avoiding accidents
Co-ordinated lights and rerouting speed up Chicago's loop traffic
Traffic signals fitted to complicated intersections
Co-ordinating traffic movement in existing streets
Electrical control of road traffic by vehicle actuation
Measuring lateral placement and velocity
Commentary on traffic surveillance systems and techniques
Electrical engineering and traffic safety
New traffic delay measuring device
Signalization of diamond interchanges
Traffic signal systems for small cities
New voice system alerts drivers
Norfolk installs unique signal control system
New method improves traffic signal timing