Present Day
The Second Severn Crossing crosses over the tunnel on a "ground level bridge" on the English side (near the Salmon Pool), supported in such a way that no load is imposed on the tunnel. The opportunity was taken to renew the concrete cap above the tunnel in the Salmon Pool during bridge construction.
| [ ] Severn Tunnel Junction | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Legend
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
As part of the 21st Century modernisation of the Great Western Main Line, the tunnel will be electrified. The limited structure gauge available in the tunnel will pose some special difficulties. The experience gained by the constructors of the Simplon Tunnel and Gotthard Rail Tunnel in Switzerland may help to solve the problems. These tunnels make use of twin overhead rails to supply the electric power rather than overhead lines.
Read more about this topic: Severn Tunnel
Famous quotes containing the words present and/or day:
“The East knew and to the present day knows only that One is Free; the Greek and the Roman world, that some are free; the German World knows that All are free. The first political form therefore which we observe in History, is Despotism, the second Democracy and Aristocracy, the third, Monarchy.”
—Georg Wilhelm Friedrich Hegel (1770–1831)
“Truly I tell you, it will be more tolerable for the land of Sodom and Gomorrah on the day of judgment than for that town.”
—Bible: New Testament, Matthew 10:15.