Application of the Intelligent Pedestrian Detection Traffic Signal and Light Demand in Valladolid

The Intelligent Pedestrian Detection Traffic Signal and Light Demand (IPTS) in being implemented at a pedestrian crossing in Valladolid, Spain, in one of the main streets in the centre of the city, between the city Hall and Zorrilla square. The system will be tested from March 2014 until September 2015

The “Intelligent Pedestrian Detection Traffic Signal and Light Demand” system consists of two functionalities:

  • An Intelligent Pedestrian Detector (IPD) that provides real-time information to the Traffic Signal regarding the number of pedestrians waiting to cross, detected via the IPD, as they approach the crossing and they enter the detection area. The Traffic Signal extends the pedestrian green phase based on how many people are waiting to cross or on the number of still crossing pedestrians. The Light Demand can be switched off when the number of pedestrians isn’t sufficient (based on the defined threshold).
  • While VRUs are waiting for pedestrian green phase and during it, if the demand is active (i.e. if the number of people waiting to cross exceeds a predefined threshold) the Light Demand is also activated, regardless of the light cycle. This Light Demand is intended to alert vehicles about the presence of pedestrians in the scene. The illumination system (Light Demand) is used to highlight the crossing and its surroundings, warning vehicles about the presence of pedestrians and thus enhancing their safety.
Pilots Objectives

The objective pursued with the installation of the IPTS is to enhance the safety, and especially the comfort and mobility of the pedestrians in the urban environment by the following means:

  • Adaptation of the traffic light regulator according to pedestrian flows
  • Increase of cross-sectional lighting of the zebra crossing in order to enhance the visibility of pedestrians for the drivers
  • Provide authorities with data on the number of pedestrians that cross the pedestrian crossing during the day
Expected Results

From this pilot, the project envisages to fulfil the following scopes:

  • A decrease in the mean pedestrians delay;
  • A reduction in the number of pedestrian offenses (red crossing);
  • A diminution in the number of agglomerations of pedestrians waiting at the traffic lights;
  • An increase in the illumination at the pedestrian crossing;
  • An improvement of the perceived safety of pedestrians;
  • An improvement of the feeling of comfort of pedestrians;
Intelligent Pedestrian Traffic Signal System (IPTS) poster