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HS2's 10-mile Chiltern tunnel 75% complete, firm says
The company behind the HS2 high speed rail link has revealed that its longest (16km) tunnel is now 75% complete.
https://www.bbc.com/news/uk-england-beds-bucks-herts-66897000
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.bbc.com/news/uk-england-beds-bucks-herts-66897000
HS2's 10-mile Chiltern tunnel 75% complete, firm says
www.bbc.comThe firm behind HS2 says the 10-mile Chiltern tunnel is progressing at a rate of 50ft a day.