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The Germans are doing it as they introduce battery trains on previously diesel lines. This story from 2022. I don't know how well the projects are going. https://railway-news.com/island-hopping-for-battery-trains-db-begins-construction-of-ole-islands/

Sorry about that. I've now edited the first post to make it clearer. Thanks 1748550600 I think freights are for another thread, thanks. But very important for justifying electrification.

I count 9 scheduled passenger trains through Thornaby in the hour after 1300h today, so I'd put that down as 4.5tph, thanks. 1 tph is one train each way.

Considering lines that are not yet electrified, what sections carry the most trains per hour (tph)? At this stage I'm only considering timetabled passenger services, and not including freight or ECS/NR movements. Or station throats. I can think of the following: Dore - Sheffield (8 tph, I...

It would be pretty easy to programme the BEMU charge management system to avoid that situation. Even without SCADA comms, trains can detect overhead line voltage, and how that voltage drops when it starts to take charging current. Just using made up numbers to illustrate, one charging protocol...

4.5 mins stop penalty is about right for a 300kph line with two minute dwells. My modelling of HS2 shows 277s, which is 4.6 minutes. But the design speed for HS2 before and after interchange is 360kph. The stop penalty from that speed is 354s (6 minutes). An HS2 train will get to 300kph in...

It's not the dwell time, unfortunately. My figure was based on a 2-minute dwell time (120s). The time penalty comes from decelerating from 360kph at normal in-service braking (220s), but most from accelerating back up to line speed again (534s).

I think all trains from London to Curzon St will call at Interchange, because they will be slowing down anyway to take the 230kph turnout at Delta Junction. A through train stopping at Interchange has a time penalty of around six minutes, which at 360kph translates into around 35km distance...

Thanks for the considered replies. Most helpful, as always: Good. It's way out of date, but there's nothing published since. Even with four 200m platforms at Airport? I'm surprised if there's not enough space. And there must be a market south from the Airport, or HS2 plans for an airport...

That's a good point. But they still need to get beyond Crewe to be any use. HS2 could offer through services from London to the north via Curzon St, to fill trains north of Birmingham with the price-sensitive customer segment who don't mind the slower route via the city centre. == == == For...

What high speed services could run if phase 2a gets built to Crewe? Building phase 2a of HS2 to Crewe would bypass the bottleneck of Colwich, but without the tunnel to Manchester that would just transfer the constraints to north of Crewe. Crewe-Weaver on the WCML is full; the network south of...

Looks to me that the market is working as it should. Gas consumption peaked at around 7.30pm last night at 4.6GW, and prices peaked then too at £95/MWh, as the cost of gas started to set the marginal price. Transfers into GB peaked around the same time, as did Pumped storage generation.

#Is that right? The graph in post #243 suggests that the maximum tractive effort on diesel+battery is available up to around 10mph

Though all the interconnectors mean that the Synchronous Grid of Continental Europe is acting as a giant battery. Around 20% of their electricity comes from hydro, so they can switch much of that off, keeping the water in the mountains, when we have wind. There's a lot of pumped storage hydro...

This is how is looked before the rebuild: https://www.alamy.com/stock-photo-nottingham-railway-station-35260380.html The archway to the left of the clock tower was the exit from the taxi rank. (I think taxis went in that way too, with a turning loop inside the porte-cochere.) The big archway...

What gradient is that, and how long is it?

The bench seats at Great Malvern still have the Great Western motif in the ironwork. Not copied, but see link here: https://www.alamy.com/great-malvern-railway-station-image561819291.html

Have the costs of construction at that level of detail been published anywhere, please?

And that's only because the Viking Link has been out of action for the past few weeks

It's not just councillors. A project like HS2 gives MPs a zero cost opportunity to show how hard they are fighting for their constituents. Like Michael Fabricant, who forced a hugely expensive redesign at Lichfield; Graham Brady who killed of the Golborne link; and the one at Crewe who was on...