Traffic Signal Timing

The use of land transportation and the demand of road usage has steadily increased in Dagupan City and this resulted to traffic congestion. Almost every day 700 to 1,200 vehicles are driving in and out the City. Most of these are the Public Utility Vehicles (PUVs) and automobiles. The Public Order and Safety Office (POSO) estimates that approximately half of all congestion is due to undisciplined drivers, special events, poor signal timing, or work zones. A strategy has been utilized to reduce congestion, and this is the use of traffic signal timing. The origin of traffic signal timing can be traced back to the manually operated semaphores first used in London as early as 1868. The traffic signal has changed significantly since its early development. Traffic signal timing is the technique which traffic engineers use to determine who has the right-of-way at an intersection. Signal timing involves deciding how much green time the traffic signal

Stop and Go paddle signs are hand held signs that says “Stop” (marked with red) on one side and “Go” (marked with green) on the other and it is used by a traffic enforcer. A traffic enforcer is someone who enforces traffic rules and safety standards. They assigned within road intersections, local police station or in any nearby posts. They also help pedestrians, especially the aged and children to cross street. Automatic traffic signal timing make use of traffic lights. Traffic lights are signaling devices that displays lights of a standard color (red, yellow, and green) and positioned at road intersections, pedestrians crossings, and road junctions. The green light allows to proceed in direction denoted, if it is safe to do so. The yellow light warns that the signal will be changing from green to red. The flashing yellow indicates a warning signal. The red signal prohibits any traffic proceeding. A flashing red indicates and treated as stop