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Looking at that map, the bulge to the north is the 1960 landslip, which started with the right-hand watercourse (of the two passing under the embankment). The 1951 landslip was to the south at the same place, and is visible in the lidar profile. The new slip is to the west of the left-hand...

Not quite the same place, but in the same swamp! The 1960 landslip happened on 27th December, and was found by ganger Stan Kimber early that morning. The slip was estimated at 10,000 tones, but it took three times that to rebuilt the embankment. The Aldershot News had several reports (though...

Contemporary press reports mention a land slip near that point during the works in 1900, and that this was common ("huge subsidences which almost inevitably happen") during or just after construction. 7000 tons of soil slipped down close to the tracks, and the cause was given as heavy spring...

Yes, but. The original 2 tph Reading-Gatwick service specification came with the 2006 franchise; previously it was 1 tph. In both cases faster and slower trains alternated. That was never operated because Network Rail said the extra paths were not feasible, and "declared [part] of the railway...

This was not the 2 tph to Gatwick originally specified. There were four extra fast trains to Redhill, overtaking a slower Redhill train at Guildford (around 10/12/13/1400 to Redhill, returning 90 minutes later). This ran right up to Christmas, then was lost in emergency changes, and the reduced...

Not so - look it up at any company offering it.e.g.

Heavy? Maybe, though just on the bit easily reached from that oh-so-useful access platform that was built when the siding was upgraded last year. And it's 701 037, as you can see.

The link to Lichfield Planning (above) leads to a document set that includes some explanations of the construction process. The last document (1mc09-bbv-tp-app-ns06_nl16-000001 combined.pdf) combines all the submissions, and includes this as well as plans: I'm struggling to understand quite...

The "Oxford Station Emergency level crossing" has been obstructed (by a step) and not used for many years. It was closed as part of the TWAO for the new bridge etc. Article 15 of the TWAO application was to extinguish that right of way, which I presume was granted (I'm not sure of the timing of...

I meant I don't see the point of using super-high charge rate batteries for this specific use. This XNO anode may be still good for traction batteries in general, allowing them to be lighter than the LTO type now being used (see the Class 777 thread for more about that).

In case you were bemused by DfT headlining this Echion battery project, while it's been left out of the PDF list of winners, here's a list that does include it from Envirotec Magazine. That item says: Project title: Lead organisation: Project grant: UBER – Ultra-high power Battery for low...

I don't think any any announcement about CCTV being used can be taken to imply anything specific about how closely it's being monitored. For all the reasons mentioned so far, whatever decides to make the announcement isn't going to know that. Yes, you could do automatic monitoring of those staff...

These generation labels like 5G are important for mobile radio systems, to allow customers to know which phones work with which networks, and when a new "G" comes along that they can't use it yet. But for 4G, 3G, and (retrospectively) 2G, there were other terms for the radio signals being used...

[posted in wrong thread]

This was said by the promoters last year: I'd expect that to be fibre running in the trackside conduits, laid for this purpose - or is it already there? Network Rail's CP5 Strategic Business Plan (2013) contained this: That was to use NR's fibre lineside network as its basis, and be was...

This evo rail system provides backhaul - it connects the train's WiFi to the internet (though SWR may use it for their own purposes too). It uses 5G radio standards, but it has nothing to do with mobile phones and isn't in a 5G band. It has its own pole-mounted fixed terminals along the track...

Try looking for RIS-0728-CCS "Infrastructure Based Train Detection Systems" in the RSSB catalogue. Issue 1.1 appears to be current, though that 1.1 is still issue 1 which is confusing. That includes the diagrams that go with CEN60's explanation. Also SSP036 02-72 "Track Circuit Clearance Points"...

Well spotted! There is a picture on Wikipedia taken some years later and a few steps further forward.