Chiltern Tunnel
id:
chiltern-tunnel-182-4628635
title:
Chiltern Tunnel
text:
The Chiltern Tunnel is a high-speed railway tunnel currently under construction in Buckinghamshire and Hertfordshire, England, and will upon completion carry the High Speed 2 (HS2) railway line under the Chiltern Hills. The twin-bore tunnels, which are 16.04 km long, will be the longest on the HS2 line. Each tunnel will also have additional 220 m (720 ft) entry and 135 m (443 ft) exit perforated concrete portals to reduce sudden changes in air pressure and subsequent noise. A contract for the tu
brand slug:
wiki
category slug:
encyclopedia
description:
Twin-bore tunnel for HS2 railway
original url:
https://en.wikipedia.org/wiki/Chiltern_Tunnel
date created:
2021-03-20T00:07:33Z
date modified:
2024-09-06T10:53:45Z
main entity:
{"identifier":"Q60791323","url":"https://www.wikidata.org/entity/Q60791323"}
image:
fields total:
13
integrity:
15