Crosssafe -Intro to HCI&UX CW2
Smart traffic light CROSSAFE Research about pedestrian traffic light system There are 2 main types of pedestrian traffic light system in the Uk Pelican crossing People press button the traffic lights change from green to red = signalling for drivers to stop Wait the traffic lights change from red to green = safe to cross The green has fixed timings when green light flash = flashing amber light for the drivers signalling that they can proceed if the crossing is clear Image from https://www.smartdriversnetwork.co.uk/crossings-lgv/ 2. Puffin crossing - pedestrian user-friendly intelligent similar to 1st one with 2 sensors 1 on top of the traffic lights (PCD – pedestrian crossing detector 2 PKD - pedestrian kerb detector monitors the pedestrian's presence at the crossing These sensors detect if pedestrians are crossing slowly and can hold the red traffic light longer if needed. If a pedestrian presses the button but then walks off, the PKD will cancel the requ...