Editing Kingsway Tunnel (section)

===Construction{{anchor|Mersey Tunnel (Liverpool/Wallasey) &c. Act 1965|Mersey Tunnel (Liverpool/Wallasey) Act 1968}}===
{{Infobox UK legislation
| short_title           = Mersey Tunnel (Liverpool/Wallasey) &c. Act 1965
| type                  = Act
| parliament            = Parliament of the United Kingdom
| long_title            = An Act to authorise the construction of a tunnel under the river Mersey between Liverpool and Wallasey, approaches to such tunnel and street works in connection therewith; to confer further powers on the lord mayor, aldermen and citizens of the city of Liverpool and the mayor, aldermen and burgesses of the county borough of Wallasey; to reconstitute the Mersey Tunnel Joint Committee; and for other purposes.
| year                  = 1965
| citation              = [[List of acts of the Parliament of the United Kingdom from 1965|1965]] c. xl
| introduced_commons    = 
| introduced_lords      = 
| territorial_extent    = 
| royal_assent          = 5 August 1965
| commencement          = 
| expiry_date           = 
| repeal_date           = 
| amends                = 
| replaces              = 
| amendments            = {{ubli|[[County of Merseyside Act 1980]]|[[Mersey Tunnels Order 1986]] (SI 1986/297)}}
| repealing_legislation = 
| related_legislation   = 
| status                = amended
| legislation_history   = 
| theyworkforyou        = 
| millbankhansard       = 
| original_text         = https://www.legislation.gov.uk/ukla/1965/40/pdfs/ukla_19650040_en.pdf
| revised_text          = 
| use_new_UK-LEG        = 
| UK-LEG_title          = 
| collapsed             = yes
}}
{{Infobox UK legislation
| short_title           = Mersey Tunnel (Liverpool/Wallasey) Act 1968
| type                  = Act
| parliament            = Parliament of the United Kingdom
| long_title            = An Act to authorise the construction of a tunnel under the river Mersey between Liverpool and Wallasey; and for other purposes.
| year                  = 1968
| citation              = [[List of acts of the Parliament of the United Kingdom from 1968|1968]] c. xii
| introduced_commons    = 
| introduced_lords      = 
| territorial_extent    = 
| royal_assent          = 30 May 1968
| commencement          = 
| expiry_date           = 
| repeal_date           = 
| amends                = 
| replaces              = 
| amendments            = {{ubli|[[County of Merseyside Act 1980]]|[[Mersey Tunnels Order 1986]] (SI 1986/297)}}
| repealing_legislation = 
| related_legislation   = 
| status                = amended
| legislation_history   = 
| theyworkforyou        = 
| millbankhansard       = 
| original_text         = https://www.legislation.gov.uk/ukla/1968/12/pdfs/ukla_19680012_en.pdf
| revised_text          = 
| use_new_UK-LEG        = 
| UK-LEG_title          = 
| collapsed             = yes
}}
The project was authorised by the Mersey Tunnel (Liverpool/Wallasey) &c. Act 1965 (c. xl). [[BAM Nuttall|Edmund Nuttall Limited]].<ref>[http://jisc.iceknowledge.com/ArticleView.aspx?doi=10.1680/iicep.1972.5829 ICE Virtual Tour]{{dead link|date=November 2017 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> Construction took around five years to fully complete. The approach to the tunnel on the Wirral side uses the former railway cutting that carried the [[Seacombe railway station|Seacombe branch line]].<ref name="tunnelusers">{{cite web |url=http://www.tunnelusers.org.uk/history.htm |title=Mersey Tunnel Users Association – History |work=Tunnel Users |access-date=12 April 2017}}</ref> It was officially opened by [[Elizabeth II of the United Kingdom|Queen Elizabeth II]] on 24 June 1971. At first, only the southernmost tunnel was open for traffic, one lane in each direction. The northernmost tunnel was completed in 1974 and opened to traffic on 13 February 1974.