please empty your brain below

"Earthling & Bonding works" -- is this an alien-run dating service?
Transcription Services - Perhaps they could employ the stenographers made redundant from the courts when they instigated a similar system or then again maybe TFL can ask the courts how theirs works.
Puzzled what the Highbury & Islington transfer line work is. I thought there was already a connection in place.

dg writes: "includes Pway, signalling and traction"
Why platform edge doors on the Piccadilly Line?
I still trying to decide if a "enhancement" is what done when "improvement" is not a option?! Or is it the other way round?!!
>'Why platform edge doors on the Piccadilly Line?'

To stop people falling on to the track and getting killed or seriously injured, thereby traumatising rescue staff and seriously disrupting the service for thousands of tube and airline passengers.
"Highways improvement works around Bow" - does that include bus stops?
It likely includes knocking down Bow roundabout and starting again, hence the massive price tag.

If you think I'm writing too much about the bus stops, wait til that starts :)
'Wait til that starts'?

You should put in a bid (early contractor involvement and all that).
"You should put in a bid"

Hell yeah, let's crowdfund it!
Is the roundabout the same as, or part of the same infrastructure as, the flyover? Or is it in an entirely different place?

dg writes: Pay attention :)
You know what would be a truly visionary 'Vision for Bow'?

Completely disconnecting Bow Rd and the A12.

One might just find a rather large percentage of so called 'demand' on Bow Road doesn't divert, and just disappears. It's called traffic evaporation.
The cost of trialling this revolutionary layout? A row of cones blocking each slip road and directing all motor traffic across the flyover.
...and trapping everyone with a car who lives between the start of the flyover and the roundabout, and turning Fairfield Road and Campbell Road into a rat-run, and forcing every Stratford-bound bus (not just the 25) to skip the intermediate bus stops, and preventing the number 8 from reaching Old Ford, and stopping the 108 from reaching the Blackwall Tunnel, and closing down the McDonalds drive-through, and basically never ever going to happen.
While DG is obviously right, some of his objections (though not all) could be met by only putting the cones on the A12 slip roads, rather than the Bow Road ones. But it still won't happen.
Puts the fares in perspective, eh?
For Island Dweller
The 'Line' is really a rail link between the two routes (ELL & NLL) which although parallel from Dalston Junction West (the former junction name - it was taken away when the Overground was constructed) to Highbury.

There is now no connection between the two routes. Although I'm an outsider, what's needed is an 'exchange siding' where trains switch from one route to the other. The 'siding' has to be long enough to allow the train from change from one type of traction supply to the other without still being on the first supply - that's 25kv AC overhead wire on the NLL and 6xx volt DC third rail on the ELL. All NLL trains are dual-system, the ELL units are third-rail only.

The ideal space for this already exists, at the former Mildmay Park station site - there's a long enough, wide enough gap for this 'exchange siding' but some overhead wire support gantries will have to be moved.

Why this link? At the moment, any train on the NLL can only reach the main depot at New Cross by travelling via Clapham Junction!

Why Dalston Junction West (the trackwork at that point) was removed instead of remodelled is a mystery someone much cleverer than me will have to try to justify.
@Joel

Curious
carto Metro shows a "transfer line" continuing beyond platform 2 at H&I (one of the ELL terminal lines) to join the westbound NLL towards Cally Road & B.

"The 'siding' has to be long enough to allow the train from change from one type of traction supply to the other without still being on the first supply"

Any exchange siding has to be long enough to take the longest train likely to need it, whether a traction change is needed or not. An absolute minimum for a traction change where no change of direction is required is the minimum distance between the pantograph and the nearest collector shoe, although ideally all shoes should be on the juice when the pan is dropped or raised.
PEDs on the Picc are a pre requisite of the next generation of train (the 'new tube for London' project) that will see rolling stock without cabs.

Note I did not say driverless.










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