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ROAD REMINDER: ICE Panel for Historical Engineering Works chairman professor Roland Paxton last week unveiled a series of road signs to commemorate one of Thomas Telford's greatest achievements - the North Wales section of the A5. Two large signs at Chirk and Llandegai, and smaller repeater signs along the route, will remind travellers that the road was once considered the most advanced in the world. Built between 1816 and 1834, Telford succeeded in maintaining a running width of 5.5m and a maximum gradient of 1 in 20 even in the most mountainous sections.

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