The Medway Tunnel is a

tunnel A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube cons ...

under the

River Medway The River Medway is a river in South East England. It rises in the High Weald AONB, High Weald, East Sussex and flows through Tonbridge, Maidstone and the Medway conurbation in Kent, before emptying into the Thames Estuary near Sheerness, a to ...

linking

Strood Strood is a town in the unitary authority of Medway in Kent, South East England. The town forms a conurbation with neighbouring towns Chatham, Rochester, Gillingham and Rainham. It lies on the northwest bank of the River Medway at its lowes ...

with

Chatham Chatham may refer to: Places and jurisdictions Canada * Chatham Islands (British Columbia) * Chatham Sound, British Columbia * Chatham, New Brunswick, a former town, now a neighbourhood of Miramichi * Chatham (electoral district), New Brunswic ...

Kent Kent is a county in South East England and one of the home counties. It borders Greater London to the north-west, Surrey to the west and East Sussex to the south-west, and Essex to the north across the estuary of the River Thames; it faces ...

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...

. It forms part of the A289 Medway Towns Northern Relief Road. The Medway Tunnel is the first

immersed tube An immersed tube (or immersed tunnel) is a kind of undersea tunnel composed of segments, constructed elsewhere and floated to the tunnel site to be sunk into place and then linked together. They are commonly used for road and rail crossings of r ...

tunnel to be built in England and only the second of this type in the UK, the other at

Conwy Conwy (, ), previously known in English as Conway, is a walled market town, community and the administrative centre of Conwy County Borough in North Wales. The walled town and castle stand on the west bank of the River Conwy, facing Deganwy on ...

, North

Wales Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...

History

Development

The

Rochester Bridge Rochester Bridge in Rochester, Medway was for centuries the lowest fixed crossing of the River Medway in South East England. There have been several generations of bridge at this spot, and the current "bridge" is in fact four separate bridges ...

had been the lowest river crossing of the

for centuries, and despite expansion in the 1970s was very congested. In the late 1980s, the Medway Tunnel was proposed downstream of the Bridge to relieve congestion on the bridge, to allow greater access to the Medway Towns and assist with redevelopment of

Chatham Dockyard Chatham Dockyard was a Royal Navy Dockyard located on the River Medway in Kent. Established in Chatham in the mid-16th century, the dockyard subsequently expanded into neighbouring Gillingham (at its most extensive, in the early 20th century, ...

. The Medway Tunnel Bill - promoted by the

Rochester Bridge Trust Rochester Bridge in Rochester, Medway was for centuries the lowest fixed crossing of the River Medway in South East England. There have been several generations of bridge at this spot, and the current "bridge" is in fact four separate bridges ...

- was submitted to Parliament in 1988. In 1990 the Medway Tunnel Act was passed granting the Rochester Bridge Trust the power to build and own the tunnel.

Construction

The £80m project was carried out by an HBM Civil Engineering / Tarmac Construction joint venture, and started in May 1992. The tunnel itself was constructed in three distinct sections. The central part of the tunnel is the of

, which is linked to

cut and cover A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A Pipeline transport, pipeline is not a tunnel, though some recent tunnels have used ...

tunnels on both the

and

banks of the river, with a total tunnel length of . As part of the construction project, 800m of new dual carriageway and a new junction was built to connect the new tunnel to the existing road network. Separate from the project, various bypasses and link roads were constructed to provide access to the local area - the A289 Medway Northern Relief Road. The Medway Tunnel was officially opened by the

Princess Royal Princess Royal is a substantive title, style customarily (but not automatically) awarded by a United Kingdom, British monarch to their eldest daughter. Although purely honorary, it is the highest honour that may be given to a female member of th ...

on 12 June 1996. In 1996, it won an award from the UK's

Concrete Society The Concrete Society is a UK based Nonprofit organization, non-profit company that was founded in 1966 in response to the increasing need for a single organisation embracing all those interested in concrete. On its formal inauguration, on 13 Octob ...

Running costs

In 2008 negotiations were completed by

Medway Council Medway Council is the local authority of Medway in Kent, England. It is a unitary authority, having the powers of a non-metropolitan county and district council combined. The council was created on 1 April 1998 and replaced Rochester-upon-Med ...

which purchased the freehold of the tunnel from the Trust for £1 with a £3.6m contribution on future costs. Cyclists are currently not allowed to travel through the tunnel which is not part of the local cycle network.

References

External links

Road tunnels in England Transport in Medway Tunnels completed in 1996 Immersed tube tunnels in the United Kingdom
Rochester Bridge Trust
{{Europe-tunnel-stub