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Latitude: 53.2153 / 53°12'55"N
Longitude: -4.1071 / 4°6'25"W
OS Eastings: 259398
OS Northings: 370766
OS Grid: SH593707
Mapcode National: GBR 5Q.1JSF
Mapcode Global: WH547.WFFX
Plus Code: 9C5Q6V8V+45
Entry Name: Portal at west end of Llandygai Tunnel
Listing Date: 24 May 2000
Last Amended: 24 May 2000
Grade: II
Source: Cadw
Source ID: 23457
Building Class: Transport
ID on this website: 300023457
Location: Located at west end of Llandygai Tunnel; deep cutting to west with large industrial estate on north side.
County: Gwynedd
Community: Llandygai (Llandygái)
Community: Llandygai
Built-Up Area: Llandygai
Traditional County: Caernarfonshire
Tagged with: Tunnel Tunnel portal
The Chester to Holyhead line was proposed to improve links with Ireland, the bill being passed in July 1844 with Robert Stephenson as engineer and Francis Thompson of Derby as architect. The tunnel is likely to be by Stephenson with assistance from Mr Foster, the resident engineer for this stretch of the line. Opened 1 May 1848 and taken over by the London & North-Western Railway in 1859. The portal at the east end of the tunnel has been altered and is not included on this list.
Purplish red brick with pink sandstone detailing. Single round-headed arch to tunnel with rusticated voussoirs flanked by raking pilaster buttresses, above which is a corbelled stone cornice with a further band of stonework to the parapet itself; brick soffit to tunnel.
Included as an essentially unaltered early railway structure on the important Chester to Holyhead Railway, the tunnel portal is both architecturally distinctive and a fine piece of railway engineering.
External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.
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