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Post by Tomcakes on Nov 10, 2015 15:25:28 GMT
Just looking online at the Northern line service which was suspended for a couple of hours - there's a train (106) on the Barnet branch which is up as Mornington Crescent. I've never seen this turn before - isn't it too disruptive to reverse off the platform?
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Post by superteacher on Nov 10, 2015 19:41:42 GMT
I've seen it done before, although normally it's easier to reverse via the Euston loop on the city branch.
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Deleted
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Post by Deleted on Nov 10, 2015 19:54:29 GMT
I've seen it done before, although normally it's easier to reverse via the Euston loop on the city branch. And the King's Cross loop, too  You can only go south-south from the Euston loop, to go south-north, you have to continue into the King's Cross loop. But, of course, you're right, reversing at Mornington Crescent is unusual, but not unheard of. The south-north move is a passenger move, so you just change ends in the platform and go back in the other direction. Doable, but certainly disruptive given the location. Terminating at Euston (city branch) as you say has the advantage that you can get the train out of the way in the loops and you don't have the issue of dumping passengers on the southbound platform and then heading off north from the "wrong platform". On the downside, you do have to detrain and the move into the King's Cross loop conflicts with the northbound main. The trouble is, the only other alternatives are Charing Cross, Moorgate, or all the way to Kennington or beyond. |
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Post by seaeagle on Nov 12, 2015 7:19:05 GMT
I've seen it done before, although normally it's easier to reverse via the Euston loop on the city branch. And the King's Cross loop, too You can only go south-south from the Euston loop, to go south-north, you have to continue into the King's Cross loop. But, of course, you're right, reversing at Mornington Crescent is unusual, but not unheard of. The south-north move is a passenger move, so you just change ends in the platform and go back in the other direction. Doable, but certainly disruptive given the location. Terminating at Euston (city branch) as you say has the advantage that you can get the train out of the way in the loops and you don't have the issue of dumping passengers on the southbound platform and then heading off north from the "wrong platform". On the downside, you do have to detrain and the move into the King's Cross loop conflicts with the northbound main. The trouble is, the only other alternatives are Charing Cross, Moorgate, or all the way to Kennington or beyond. Of course in the good old days there was a reversing point at London Bridge which was removed during the rebuilding of that station when the Jubilee Line extension was being built |
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North End
Beneath Newington Causeway
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Post by North End on Nov 12, 2015 11:26:13 GMT
And the King's Cross loop, too You can only go south-south from the Euston loop, to go south-north, you have to continue into the King's Cross loop. But, of course, you're right, reversing at Mornington Crescent is unusual, but not unheard of. The south-north move is a passenger move, so you just change ends in the platform and go back in the other direction. Doable, but certainly disruptive given the location. Terminating at Euston (city branch) as you say has the advantage that you can get the train out of the way in the loops and you don't have the issue of dumping passengers on the southbound platform and then heading off north from the "wrong platform". On the downside, you do have to detrain and the move into the King's Cross loop conflicts with the northbound main. The trouble is, the only other alternatives are Charing Cross, Moorgate, or all the way to Kennington or beyond. Of course in the good old days there was a reversing point at London Bridge which was removed during the rebuilding of that station when the Jubilee Line extension was being built It doesn't help that the Euston move has been unavailable for months, as due to a Thales error with their Seltrac signalling, the first part of the move likely has to be done in RM, which due to the inflexible nature of Seltrac is highly time-consuming and disruptive. As usual with this system, this restriction has been in place for months. |
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Post by memorex on Nov 15, 2015 8:41:56 GMT
A turn at MCS isn't that unusual; it is, perhaps for passenger services, but for stock transfers during traffic hours it's used quite a lot as an alternative to sending a train to Kennington and back.
I certainly disagree that a reversal via the Euston/Kings Cross loop is less disruptive, mainly because of the way the seltrac reservations throw, which prolong the delay to the service in both directions whilst the train fully berths in the Euston loop before stopping and continuing into the Kings Cross loop. Further, a move into the Kings Cross loop requires a slot from the Earls Court signaller.
With regards to the need for an RM move into the Euston loop, I haven't seen an instance where it's been required, except with an engineers train, so if there was an issue I imagine it's been resolved with a patch - (that or it's just another thing I've not encountered yet)!
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Post by Deleted on Nov 15, 2015 12:45:41 GMT
Back in the days of yore, when the Golders Green and Highgate sleet locomotives were being changed over for maintenance/refilling etc, they were often reversed at Mornington Crescent rather than the Euston and King's Cross loops.
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You can only go south-south from the Euston loop, to go south-north, you have to continue into the King's Cross loop.
