Design for an ageing population
Signs are getting bigger
June 2009 | Filed in: Sign design | Current sign design in Ireland

Above: Junction 14 cantilever on the M8 motorway (Cork), April 2009 (WIkipedia Commons).
At the outset of this design research project, I speculated that in the future Irish roadsigns may need to be redesigned, or grow substantially in size (perhaps a degree of both) to become effective on higher speed roads. Now, very large cantilever signs have replaced standard signs on many new sections of motorway.
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Developments in directional road sign design
In the design of signs, in general, and more particularly road signs, international practise has pointed the way…
A reasonable proposition, in improving Ireland’s sign design, is to address the design of the actual type used. It has long been held by type designers that increased x-height is beneficial to typeface designs for signage. Since the 1960s, design for signage typefaces has concentrated on this and other factors of clarity – all notable new designs address x-height. In Ireland, where we’d be replacing the relatively larger uppercase words in English, use of increases x-height would be particularly applicable.
Above: A classic type, Caslon (left), has it’s x-height (height of the lowercase) compared to Transport (centre) and Clearview Hwy, the recent US road sign type. This illustrates the increased x-height of the Transport design, and how this has been surpassed by the Clearview design.
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