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Eighths are used for track quality SDs, with every eighth being categorised. The track quality SDs are measured by a track recording train.

No, there are no track circuits at the location as it is in an Absolute Block section. (It is the longest AB section in the country.)

The REC will stop trains in the area regardless of whether it is answered in good time. All the signaller will do on the call is get the basic details from the initiating driver (what the problem is, location, lines affected), instruct the relevant drivers to make no further movements, then say...

Control will answer it after 15 seconds.

It sounds like the contractor will have responsibility for operations and maintenance (and possibly renewals). That would be a disaster.

Lower graded vacancies generally go external more often than higher graded vacancies There is generally less competition for lower graded vacancies Some people prefer a lower workload Some people prefer to work at a nearby box, even though it may be a low grade

When a track circuit fails to clear or shows occupied for some other reason, the line must be examined (unless the signaller is sure the line is not obstructed). This can be achieved by one of the following: The signaller can see the line is safe for trains to pass. A competent person can...

Knaresborough - Cattal is worked by Electric Token Block. Pilotman working is introduced here when there is a failure of the token apparatus, and no token is available.

This is indeed the case. The through route (now Leeds-York) is 80 on the down, 90 on the up pending Transpennine resignalling which will allow 100.

Gauging (structures, passing and stepping) is carried out using software called ClearRoute. Track design requires gauging analysis as part of the design submission.

Leeds. It exceeds its designed capacity on a daily basis and has done for several years. Platforms quickly become full of people (and trains) during disruption. The dispatchers do a remarkable job.

That confirms the hypothesis (expressed earlier in this thread) that the ground level had been built up behind the wall.

Rushing will still occur when said member of staff has to go to the doors to check for any disabled passengers who may require to board.

Burley Park has a TVM on the Up platform.

It is interesting to read the report into the Ladbroke Grove collision. Lord Cullen felt that a 'no blame' culture led to drivers taking the blame for SPADs rather than blaming the (deficient) infrastructure.

I see quite a few on my daily commute. There are a fair number of people who walk past open ticket offices and buy tickets if the guard gets around in time. Some of these are regulars. A lot of them board at the origin well before the train departs, so it's not like they didn't have enough time...

There is a specific instruction for swans:

No idea on the shift patterns or times themselves, but the compendium of signal box opening times shows it as being open continuously, so it will be something like: 0600-1800-0600 (12 hours) or 0600-1400-2200-0600 (8 hours)

For clarity, for AHBs, the minimum time between amber showing and a train arriving is 27 seconds. It's also worth noting that overall level crossing safety in Britain is better than almost everywhere else.

I haven't particularly been keeping up with the discussion. However, I just came across this incident from 2014 which may be relevant to the debate: