South Entrance to the Relief Road Tunnel under Y Maes
The South Entrance to the Road Tunnel under Y Maes This former main line railway tunnel was converted some ten years ago into a road tunnel linking St Helen's Road with North Road.
<a href='http://www.geograph.org.uk/photo/289312'>SH4862 : South Entrance to the Relief Road Tunnel under Y Maes</a>
Caernarfon Tunnel, originally built for the railway
