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Post by Deleted on Oct 9, 2006 14:26:10 GMT
If Lancaster Gate was not closed, would the facing crossover at Queensway be used during the weekend shutdowns?
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Post by Deleted on Oct 9, 2006 15:55:56 GMT
If Lancaster Gate was not closed, would the facing crossover at Queensway be used during the weekend shutdowns? Wasn't the crossover at Queensway lifted in the early 1980s? (or am I recalling the information from the Video125 Central Line DEV incorrectly?) John The Queensway crossover was reinstated (and recommissioned i think in the last few years - no doubt somone will be able to say exactly when)
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Post by Deleted on Oct 9, 2006 18:41:31 GMT
It was recommissioned just before Queensway closed for refurbishment (smart move, that!)
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towerman
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Post by towerman on Oct 10, 2006 17:31:14 GMT
In the dim & distant past there was a sdg to the east of Queensway Station.
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Post by Deleted on Oct 10, 2006 19:31:20 GMT
But it faced towards the west and not to the east. Was it removed because it was felt that there was no need to be able to do east-west reversals via a siding?
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towerman
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Post by towerman on Oct 10, 2006 20:19:28 GMT
I was at Hainault for 14years in the 70's & 80's and I don't think Queensway Sdg was ever used for reversing service trains.Apparently there was a tight bend in the sdg,they did put a test train in there once,when they got it back to Ruislip they found one of the tail light ruby glasses in the middle smashed.
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Post by tubeprune on Oct 11, 2006 11:23:51 GMT
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Post by Deleted on Oct 11, 2006 14:51:19 GMT
I was at Hainault for 14years in the 70's & 80's and I don't think Queensway Sdg was ever used for reversing service trains.Apparently there was a tight bend in the sdg,they did put a test train in there once,when they got it back to Ruislip they found one of the tail light ruby glasses in the middle smashed. I gather the move is still pretty tight. A friend of mine who drives on the central was reversed at Queensway recentish (i think whilst Queensway was closed - so train detrained at Lancaster Gate) He said the train front looked as if it was going to scrape the tunnel wall .. but of course it did clear it.
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Post by Deleted on Oct 12, 2006 22:02:45 GMT
Thanks for the background folks, but it doesn't answer my original question - why is Queensway Crossover still not being used for service reversals during the weekend shutdowns?
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towerman
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Post by towerman on Oct 13, 2006 19:04:01 GMT
Probably not the facilities at Queensway Station to support relieving crews,DMT's etc.
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Post by rob66 on Oct 20, 2006 12:20:14 GMT
I think it would take too long to reverse at Queensway than Marble Arch. At least crews double end at Marble Arch giving a mere 8 minute turn-around time.
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Post by superteacher on Sept 4, 2007 20:30:05 GMT
I think it would take too long to reverse at Queensway than Marble Arch. At least crews double end at Marble Arch giving a mere 8 minute turn-around time. Also, at Marble Arch, the traffic flows can be segregated i.e. the terminating train will be detrained on the westbound before moving into the siding and picking up again on the eastbound. They could step back crews at Queensway, but the problem is that the terminating westbound would run direct into the eastbound, meaning that there would be confusion in trying to detrain passengers while at the same time, eastbound passengers are trying to board! Much easier to get them all out at Marble Arch, where platform staff can direct confused passengers to alternative routes. Doesn't sound like Queensway is used much at all . . . and it's very unusual becasue it's a facing crossover as opposed to the much more common trailing variety. And oddly, there is no scheduled rusty rail move over the crossover in the current WTT - Bethnal Green crossover is also not scheduled for a move. All other emergency reversing points are covered including Holborn, Liverpool Street, Northolt crossover - there are even passenger trains booked to run through the sidings at Debden and Newbury Park.
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Post by Deleted on Sept 4, 2007 20:32:59 GMT
QWY rev. sdg has been used frequently when we had the west end terminii shut off for BTR's and such... Thats West Rui/Eal. Bdy to North Acton and on to MAA {Marble Arch} BTR is a Ballasted track renewal... old stuff ripped up, new continuously welded rails laid!
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Post by Deleted on Sept 5, 2007 7:43:57 GMT
I think it would take too long to reverse at Queensway than Marble Arch. At least crews double end at Marble Arch giving a mere 8 minute turn-around time. The reversing at Marble Arch was actually at 5min intervals. Which is still poor compared to the theoretical headway! It is still possible to double end a train reversing in the platform at Queensway, the drivers just have to enter/exit the respective cabs at Marble Arch. Double ending in- platform reversals is done on the Singapore MRT, Santiago Metro, and Toronto Subway. Given that I believe that it takes a minute for the track circuits to allow for a direction change on the Central Line, then there should be sufficient time for drivers to step back at Queensway. Thus double ending the train wouldn't be required anyway.
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