(1) (a) How many incidents have been investigated by the Railway Safety Regulator (RSR) in the (i) 2008-09, (ii) 2009-10 and (iii) 2010-11 financial years and (b) what was the nature of each incident; (2) whether reports have been compiled with regard to each specified incident; if not, why not, in each case; if so, what were the main findings and recommendations in each case; (3) whether there are any mechanisms, processes or procedures in place that ensure that the specified recommendations are implemented; if not, (a) why not and (b) what measures has he taken to ensure that such recommendations are implemented; if so, what are the relevant details; (4) whether the Railway Safety Regulator has conducted any analysis of rail safety trends since 1 April 2008; if not, why not; if so, what were the main findings with regard to each specified trend?