[SystemSafety] Tram Accident in Croydon

[Dick Selwood]

This is the press release from RAIN and it links to the interim report

https://www.gov.uk/government/news/interim-report-fatal-tram-accident-croydon


On 16/11/2016 15:45, Andreoli, Kevin (UK) wrote:
> Train was doing 43.5mph in 12mph zone.
>
> See: http://www.bbc.co.uk/news/uk-england-38003934
>
> Quote from train driver's union:
>
> Aslef, the train drivers' union, said it was "clear that the lack of adequate safety systems were at the root of this dreadful accident".
>
> District organiser Finn Brennan said a system to make sure trams travelling too quickly in a potentially dangerous area can be slowed down and stopped should be put in place, as on the mainline railway and London Underground.
>
> "If it had been then this awful event could have been avoided," he said.
>
>
>
> Kevin
> --
> Usual disclaimers.
>
> -----Original Message-----
> From: systemsafety [mailto:systemsafety-bounces at lists.techfak.uni-bielefeld.de] On Behalf Of Peter Bishop
> Sent: 11 November 2016 09:39
> To: systemsafety at lists.techfak.uni-bielefeld.de
> Subject: Re: [SystemSafety] Tram Accident in Croydon
>
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>
> Re 12 mph / 20 kph limit
>
> Could this be an issue of the wrong speed units?
> I.e. driver thinks the limit is 20*mph*?
>
> Peter Bishop
>
> On 10/11/2016 11:45, Peter Bernard Ladkin wrote:
>> On 2016-11-10 09:36 , Andreoli, Kevin (UK) wrote:
>>> I suspect the reason rail type safety is apparently not installed
>>> will be down to the thinking that Trams are Buses on rails and not Tram = Train. .....
>> The engineering involved will all have been by professional light-rail
>> people well acquainted with the hazards of rail operation, of which
>> overspeed in a changing track configuration is a very well known one,
>> as is driver incapacity. I don't expect any comment on this list from
>> UK rail engineers, but I wouldn't be surprised if at least one person reading this is thinking "you know, we did say......"
>>
>> The trams themselves are (first batch) Bombardier Flexity Swift CR4000
>> sets built in Vienna. They apparently do have a "deadmans's handle"
>> https://en.wikipedia.org/wiki/Bombardier_CR4000
>>
>> The second batch are Stadler Variobahn sets
>> https://en.wikipedia.org/wiki/Variobahn Stadler The Variobahn is a
>> Bombardier design (originally called Variotram), manufacture of which was taken over by Stadler in 2001 (according to the Wikipedia page).
>>
>> I wrote:
>>> It is the first fatal accident on UK rail/tram lines in 12 years,
>> This is not so. It is maybe the first one in that time not involving
>> system-external agency (even that is questionable - see 2016.08.07
>> below). The Wikipedia page on TfL Tramlink https://en.wikipedia.org/wiki/Tramlink says:
>>
>>> On 7 September 2008, a bus on route 468 travelled through a red
>>> traffic signal and collided with tram
>>> 2534 in George Street, Croydon. The impact caused the death of a
>>> passenger who was reported to have been thrown through the upper front window of the bus.......
>>>
>>> On 13 September 2008, tram 2530 collided with a cyclist at Morden
>>> Hall Park footpath crossing between Morden Road and Phipps Bridge tram stops. The cyclist sustained injuries from which he later died.
>> And I read on the RAIB WWW site of four other fatal accidents in 2016
>> alone
>> https://www.gov.uk/government/publications/raib-current-investigations
>> -register/rail-accident-investigation-branch-current-investigations
>>
>>
>> 2016.02.23 a pedestrian was struck by a train on a pedestrian level
>> crossing
>> 2016.08.07 a passenger on a train struck his head on a signal gantry
>> 2016.08.15 a pedestrian was struck by a tram
>> 2016.10.05 a mobility-scooter user was struck at a level crossing
>>
>> I also said:
>>> The corner is apparently posted at 12 mph = 19 kph
>> I took that figure from the newspaper report. The RAIB says it is
>> posted at 20km/h
>> https://www.gov.uk/government/news/fatal-tram-accident-in-croydon
>>
>> PBL
>>
>> Prof. Peter Bernard Ladkin, Bielefeld, Germany MoreInCommon Je suis
>> Charlie
>> Tel+msg +49 (0)521 880 7319  www.rvs-bi.de
>>
>>
>>
>>
>>
>>
>>
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>>

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