The Science of Warning Lights

Posted by Nate on 1:35 pm and is Filed under Law Enforcement, News, Publications, Research.

Anderson and Plecas, Journal of Criminal Justice Research. 1(2), 1-10, 2010.

Literature would support the uniform use of warning lights on vehicles that require motorist to perform similar actions. Familiarity of warning light colour and colour combinations, the vehicles that use each, and the response expected allows for an automated response by a driver when the colour combination is detected in the environment. Scientific evidence suggests that red and blue combinations offer the best visibility in both low and normal light conditions, and in adverse weather, and standardization of law enforcement warning lights may be prudent. Variations in warning light use are demonstrated by providing an overview of warning light use in Canada.

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