BLACKWALL TUNNEL TIDAL FLOW

[The Tot]

Hey i know this maybe a bit of a silly question, but as i hear it all the time on London News, can anybody explain to me what exactly is the Blackwall tunnel tidal flow and why is it so important. I see so many bikers use that tunnel.

Cheers
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The Tot 2019 Z1000SX - 2007 R1
Never argue with autism

[Rhino]

Haven't a clue what that is. I assume is a slang term for the heavy flow of traffic North in the morning and South in the evening.

[tgabber]

The Blackwall tunnel is actually two tunnels. and there are two lanes in each tunnel. A total of four lanes. One tunnel (two lanes) is normally used for Northbound traffic and one for Southbound.

However during peak times, they can introduce a tidal flow whereby only one lane of one tunnel is used in a particular direction and the other three lanes (one and a half tunnels!) in the other.


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"It's all about dislocating expectation"
Kawasaki KMX125 -> Aprilia RS125 -> Kawasaki ZZR600

[Rhino]

I've been through it a few times, but I never knew that! You learn something new every day, eh?

[The Tot]

Cheers tgabber, now i understand things more.... Bloody Askjeeves is no good! lol . Glad there's a forum dat answers most of life's questions
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The Tot 2019 Z1000SX - 2007 R1
Never argue with autism