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| London Transport (uk.transport.london) Discussion of all forms of transport in London. |
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#1
June 14th 09, 10:08 AM
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[OT] 12 of the worlds most fascinating tunnel networks
Not the 12 *most* fascinating:
http://www.oobject.com/category/12-o...nnel-networks/ But not bad! tom -- They didn't have any answers - they just wanted weed and entitlement. |
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#2
June 14th 09, 11:28 AM
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[OT] 12 of the worlds most fascinating tunnel networks
In message . li, at
11:08:01 on Sun, 14 Jun 2009, Tom Anderson remarked: http://www.oobject.com/category/12-o...inating-tunnel -networks/ But not bad! The top set of escalators at Piccadilly Circus seem to go through a mystery right-angle on that diagram. -- Roland Perry |
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#3
June 14th 09, 02:54 PM
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12 of the worlds most fascinating tunnel networks
On 14 June, 12:28, Roland Perry wrote:
In message . li, at 11:08:01 on Sun, 14 Jun 2009, Tom Anderson remarked: http://www.oobject.com/category/12-o...inating-tunnel -networks/ But not bad! The top set of escalators at Piccadilly Circus seem to go through a mystery right-angle on that diagram. -- Roland Perry Perhaps related to the Bakerloo being mysteriously straight. It also implies that the platforms cross over each other, when at nearly every such interchange, including Piccadilly Circus I'm sure, only the running tunnels cross, with the upper tunnel vertically overlapping the ceiling of the line below, but beyond the ends of the platforms. In fact, isn't that the reason for the Bakerloo station having to be extended over the crossover at the north end, because extending the other end would encroach on the ceiling of the eastbound Piccadilly? |
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#4
June 14th 09, 06:58 PM
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12 of the worlds most fascinating tunnel networks
In message
, at 07:54:07 on Sun, 14 Jun 2009, MIG remarked: http://www.oobject.com/category/12-o...inating-tunnel -networks/ But not bad! The top set of escalators at Piccadilly Circus seem to go through a mystery right-angle on that diagram. Perhaps related to the Bakerloo being mysteriously straight. It also implies that the platforms cross over each other, when at nearly every such interchange, including Piccadilly Circus I'm sure, only the running tunnels cross, with the upper tunnel vertically overlapping the ceiling of the line below, but beyond the ends of the platforms. In fact, isn't that the reason for the Bakerloo station having to be extended over the crossover at the north end, because extending the other end would encroach on the ceiling of the eastbound Piccadilly? This is a remarkably similar view, but much older: http://www.geocities.com/athens/acro...069/ltpicc.gif Which makes me think that perhaps the escalator issue is an optical illusion in the more modern drawing. -- Roland Perry |
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