[SystemSafety] Swiss train crash

[David Haworth]

Peter,

shouldn't that be "every ~ 6 to 10 years" ?

Dave

On 2013-07-30 12:21:15 +0100, Peter Bishop wrote:
> Perhaps this cluster is not so surprising after all.
> 
> A quick check of past train accident rates
> suggest 3-5 per year in Europe.
> i.e. P_acc=  0.25 to 0.42 per month
> 
> So the prob of seeing 3 in a month are p_acc**3
> i.e. 0.016 to 0.076
> 
> Or equivalently we expect to see a triple accident month
> every ~ 1 to 6 years
> 
> Peter Bishop
> 
> M Mencke wrote:
> >What is going on?
> >
> >http://www.bbc.co.uk/news/world-europe-23494203
> >
> >At least 35 people have been injured, five of them seriously, in a
> >collision between two trains in western Switzerland.
> >
> >The crash happened in Granges-pres-Marnand in Vaud canton, about
> >50km (30 miles) south-west of the capital, Bern.
> >
> >The regional trains collided head-on in the early evening.
> >
> >The driver of one of the trains died in the incident and his body
> >was recovered from the wreckage early on Tuesday morning, Swiss
> >police said.
> >
> >
> >
> >
> >
> >------------------------------------------------------------------------
> >
> >_______________________________________________
> >The System Safety Mailing List
> >systemsafety at TechFak.Uni-Bielefeld.DE
> 
> _______________________________________________
> The System Safety Mailing List
> systemsafety at TechFak.Uni-Bielefeld.DE

-- 
David Haworth B.Sc.(Hons.), OS Kernel Developer         Tel: +49 9131 7701-6154
david.haworth at elektrobit.com                            Fax: +49 9131 7701-6333
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