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Old June 21st 07, 08:28 AM posted to uk.transport.london,uk.railway
Boltar Boltar is offline
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First recorded activity at LondonBanter: Jul 2003
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Default Unusual sight on Blackfriars bridge

On 21 Jun, 05:18, "John Rowland"
wrote:
John wrote:
In article , John Rowland
writes
ŽiŠardo wrote:
Boltar wrote:
On 19 Jun, 22:32, wrote:
Street - Blackfriars area. AFIAA, only 33s and 73s are allowed
through the Thameslink tunnels and beyond as far as Kentish Town.


Whats the reason for the restriction , is it loading gauge or
gradiants or something else entirely?


Height of the tunnels?


ISTR it's carriage length, because of the sharp curve around St
Pancras.


If I recall right, there were only certain class 31s allowed to haul
the trains through hotel curve to Kings Cross for a similar reason.


Aren't the Thameslink carriages curved in at each end to go around St
Pancras?


Surely the clearances arn't *that* tight? Besides , didn't they
extensively rebuild that part of the tunnel in the last few years?
Perhaps they improved the clearances while they were at it and these
restrictions no longer apply.

B2003