A55 Bridge, Colwyn Bay

A55 Bridge, Colwyn Bay

A55 Bridge, Colwyn Bay

Date

5 March 2016

Location

Junction 22, A55 North Wales Expressway
over the Promenade, Colwyn Bay
SH 86261 78680; 53.29282°N, 3.70786°W

Information

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Underpass

Underpass below the A55 North Wales Expressway, leading to Penmaenmawr promenade

Underpass below the A55 North Wales Expressway, leading to Penmaenmawr promenade

Date

13 December 2014
Location

Penmaenmawr

SH 71877 76607; 53.27091°N, 3.92269°W

Information

When the Penmaenmawr bypass section of the A55 North Wales Expressway was built, the town’s 19th century Promenade was demolished to make way. Aberconwy Borough Council replaced it with a new Promenade, designed by consulting engineers Travers Morgan and built by contractor John Laing. The new Promenade was built on reclaimed land and opened in 1989. Its facilities include a café, chalets and a paddling pool. Its pedestrian subway links to the previously existing railway underpass leading to Station Road.

 

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A55 Tunnels

Pen-y-Clip Tunnel

Date

6 November 2010
Location

A55, North Wales Coast

SH 78130 78407; 53.28856°N, 3.82967°W (Conwy)
SH 74738 78352; 53.28727°N, 3.88051°W (Penmaenbach)
SH 70028 76080; 53.26573°N, 3.95019°W (Pen-y-clip)

Further Information

The Conwy Tunnel was opened in 1991 and is 1060 m long. It goes under the River Conwy estuary and was the UK’s first immersed tube tunnel.

The westbound Penmaenbach tunnel was opened in 1989 and is 658 m long. It is next to the 172 m long eastbound tunnel that was opened in 1932.

The westbound Pen-y-Clip tunnel is 930 m long and was opened in 1994.

Tunnels (A55) (North Wales Trunk Road Agency)

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