The Blackwall Tunnel :: Shared Description

The Blackwall Tunnels are a pair of Tunnels on the A102 under the River Thames, linking the London Borough of Tower Hamlets on the north side with the Royal Borough of Greenwich on the south. The northern portal lies just south of the East India Dock Road (A13) in Blackwall; the southern entrances are just south of The O2 Arena on the Greenwich Peninsula. The road is managed by Transport for London (TfL).

The first tunnel was originally opened as a single bore in 1897 as a major transport project to improve commerce and trade in London's East End in an age before motor vehicles. As such it is designed for horse drawn traffic and includes a number of tight bends, reputedly to prevent horses seeing daylight in the distance. By the 1960s, traffic levels had reached the point where a second tunnel was required; this was built to the east of the original tunnel and to a more modern alignment. The new tunnel opened in 1967 and now carries southbound traffic, leaving the original tunnel to carry northbound traffic.

The northern approach takes traffic from the A12 and the southern approach takes traffic from the A2, making the tunnel crossing a key link for both local and longer-distance traffic between the north and south sides of the river. It forms part of a key route into Central London from South East London and Kent and is the easternmost free fixed road crossing of the Thames, and regularly suffers congestion.

The tunnels are no longer open to pedestrians, cyclists or other non-motorised traffic, and the northbound tunnel has a 4.0-metre height limit. One bus route runs through the tunnels.
by David Dixon
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4 images use this description:

TQ3979 : A102 Blackwall Tunnel Approach Road by David Dixon
TQ3880 : A102 Northern Approach to the Blackwall Tunnel by David Dixon
TQ3880 : Ventilation shafts, Blackwall Tunnel by N Chadwick
TQ3880 : The New Blackwall Tunnel by David Dixon

These Shared Descriptions are common to multiple images. For example, you can create a generic description for an object shown in a photo, and reuse the description on all photos of the object. All descriptions are public and shared between contributors, i.e. you can reuse a description created by others, just as they can use yours.
Created: Mon, 2 Sep 2013, Updated: Mon, 2 Sep 2013

The 'Shared Description' text on this page is Copyright 2013 David Dixon, however it is specifically licensed so that contributors can reuse it on their own images without restriction.

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