Bot . too . dank . <| sep |> the Italian subwhat sub was this ? Civilian investigators ? <| sep |> Yeah , this is a problem experienced worldwide not just the UK and is actually incredibly dangerous . Rail engineering companies are working on ways to mitigate and deal with the problem and network rail does all it can with the tech that exists to prevent this . Whilst leaves are genuinely the problem here , in Australia a train crash was caused my Millipedes on the line . Millions of crushed Millipedes caused a train to lose traction and therefore braking . This is also why your journey takes longer in the autumn months , because the train companies bring in a timetable with extra slack for the defensive driving measures required .