swt_passenger
Veteran Member
- Joined
- 7 Apr 2010
- Messages
- 31,491
Not a driver but I'd expect that it would classed as new, since your approach speed to a flat junction will be completely different as compared to a grade-separated junction. Which will have affects on braking points, etc.
I seem to remember that there was route learning required before the Hitchin flyover was brought into use.
That was slightly different, because the new route was available at the same time as the old route. It won't be the case at Bermondsey, it will change during a blockade, (late summer 2017?) maybe as long as 10 days or so, and that will be that.
Looking at the staging diagrams the temporary slews just north of New Cross will be switched back to the normal route and then through the dive under and then run on the south side of the main viaduct to the west of the Bermondsey site and towards P7-P9. It's effectively a track slew onto a new parallel pair of tracks over a few thousand yards, but it doesn't actually provide a new junction as such.
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