§ Mrs. May
To ask the Secretary of State for Transport what statistics he collates on the number of people on the London Underground network who(a) manage to get on the first train that arrives from when they step onto the platform, (b) have to let one train go by due to 1116W overcrowding, (c) have to let two trains go by due to overcrowding and (d) have to let three or more trains go by due to overcrowding. 
§ Mr. Jamieson
Detailed operational information of this nature is a matter for London Underground. However, I am informed that they do not collect information in the form requested.