A "route confirmation"sign on the [[Warrego Highway in Queensland, Australia, informing motorists of their distance (in kilometres) from the places listed]]

Traffic signs
TRAFFIC SIGNS
Traffic Signs
Detecting and recognizing traffic signs
Traffic Signs and Pedestrians Vision with Multi-Scale Convolutional Networks
Visual search for traffic signs: the effects of clutter, luminance, and aging.
Real-Time Detection and Recognition of Road Traffic Signs
Real-Time Detection and Recognition of Road Traffic Signs
Color detection and segmentation for road and traffic signs
Recognition of traffic signs based on their colour and shape features extracted using human vision models
Light emitting diode retrofitting lamps for illuminated traffic signs
Assessment of drivers' comprehension of traffic signs based on their traffic, personal and social characteristics
Robust on-vehicle real-time visual detection of American and European speed limit signs, with a modular Traffic Signs Recognition sy...