All three tracks through the station at Princes Risborough are occupied by northbound trains! On the left is London Midland 172 221 and 172 332 with 5Z02 from High Wycombe to Dorridge, this had stopped in the platform line to allow a non-stop Chiltern service to overtake it, operated by 168 215 in the centre, this is the 12:37 from Marylebone to Birmingham Moor Street. The 172 units could not be put in the centre road to allow this as a southbound service used the line a couple of minutes earlier... On the right is 165 026, working the 12:13 from Marylebone to Banbury. This arrives at Princes Risborough at 12:57 and is scheduled into the down platform, from where it departs at 13:10. 13:09, Friday 4th November 2011. Digital Image No. GMPI10557.