Aurora Sign Event Directional Signage,Roadside Directional Sign Board

Shape and Colour

The shape and colour of a sign advises the road user of the class of message before they get close enough to the sign to read the message. The recognition of signs can be simplified by enabling the driver to judge in advance the type of message expected, and to help in this regard a code of shapes and colours is adopted. Table 3.1 illustrates the shapes and colours for each sub‐class of guide and information sign.

Font Type

It is important that clear and consistent font types be used on all guide signs. The Clearview font style, which includes the Clearview Hwy font, was developed through a decade of research starting in the early 1990s. The goal of the Clearview font was to increase legibility and reduce halation of highway sign legends in comparison to that of Standard Highway Signs (SHS) Alphabets (Highway Gothic font). Clearview font letters were developed specifically to address four issues with the legibility of SHS alphabets. They are:

• Upgrade highway signing word messages to accommodate the needs of older drivers without increasing the capital letter height and the overall length and height of word messages and the signs themselves.
• Improve word pattern recognition by using mixed case words of the same size composed of lower case letters designed for highway sign applications.
• Improve the speed and accuracy of destination recognition and the legibility distance of word messages.
• Control or minimize the halation of words displayed on high brightness retroreflective materials for drivers with reduced contrast sensitivity.

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