Paddington - Birkenhead express west of Seer Green on the ex-GWR Paddington - Birmingham Direct line (via Bicester), on the stretch (Neasden Junction - High Wycombe - Princes Risborough - Ashendon Junction) Joint with ex-GC Marylebone - Leicester - Sheffield main line. The locomotive of the 4.10pm from Paddington (due Birkenhead Woodside at 22.00) is 4-6-0 No. 6008 King James II (built 3/28, withdrawn 6/62).