17 deaths and 250 tonnes of explosive: The real story behind Merseyside's tunnels



Birkenhead and Liverpool were linked by road for the first time when the Queensway – or Birkenhead – tunnel was opened on July 18, 1934.
Nearly 40 years later, one became two – and now over 25 million vehicles travel through the Birkenhead and Wallasey tunnels each year.
Both tunnels were excavated through sandstone, with around 1.2 million tonnes removed from each during construction.
The Birkenhead tunnel was built without any of the technical aids taken for granted today, and became one of the civil engineering triumphs of the early 1930s.
But constructing the Wallasey tunnel too, was... read more

 
30 September 2017 in Regional North West , Views: 43
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