Office of Traffic, Safety and Technology Chapter 9 New Technologies Traffic Signs 101 November 20, 2014

Office of Traffic, Safety and Technology 2 Traffic Signs 101  New Technologies –Wildlife Detection and Warning System Goal reduce the number of large wildlife vehicle crashes Detects large wildlife (deer, moose, etc.) Activates a flashing beacon on a standard deer sign

Office of Traffic, Safety and Technology 3 Traffic Signs 101 –Intersection Collision Avoidance The systems, installed on non ‐ signalized rural intersections, reduce the number and severity of crashes Signs and flashing lights warn drivers approaching an intersection to stop for cross traffic All test locations were chosen based on crash data

Office of Traffic, Safety and Technology 4 Traffic Signs 101  Dynamic Speed Display Signs –A device that detects and display a vehicle’s current speed back to the driver –Have been shown to have a significant speed ‐ reducing effect in temporary applications such as work zones or neighborhood speed watch programs

Office of Traffic, Safety and Technology 5 Traffic Signs 101  Curve Warning System –The Curve Warning System provides a programmable active warning based on the speed of the vehicle as it approaches the curve and provides a warning message to the driver to reduce speed if it is excessive

Office of Traffic, Safety and Technology 6 Traffic Signs 101  Variable Speed Limit (VSL) Signs –A sign capable of displaying different speed limits to travelers –MnDOT’s VSL that is part of the Smart Lane System

Office of Traffic, Safety and Technology 7 Traffic Signs 101  Overheight Warning System –Detects overheight vehicles moving toward overhead obstacles –Sign is activated when an over height vehicle is detected by the system

Office of Traffic, Safety and Technology 8 Traffic Signs 101  Water on Road System –Highway sensor that measures the presence of water on the roadway –Linked to traveler information systems

Office of Traffic, Safety and Technology 9 Traffic Signs 101  Fog Warning System –Visibility sensor that measures the density of roadway fog –Linked to traveler information systems

Office of Traffic, Safety and Technology 10 Traffic Signs 101  Comments  Questions?  Course Wrap-up