This study evaluated the effects of police presence on the speed of vehicles in a work zone and determined the "halo" effects of police presence (lasting effect

Analysis and conclusions of the effectiveness of police presence in construction zones to control the speed of motor vehicles.

This study evaluated the effects of police presence on the speed of vehicles in a work zone and determined the "halo" effects of police presence (lasting effect

It is generally accepted that one of the most effective ways of controlling speed in a work zone is to have a staffed police car positioned at the beginning of

As traffic-related work zone crashes continue to increase across the nation, safety of road users and workers has become a top priority for transportation agenc