New meets older at Haddenham & Thame Parkway! 165012 has just departed the station at 11:16 with the 10:23 from Marylebone to Stratford-upon-Avon as brand new 172104 hurtles south at full line speed running slightly early with 5Z72, the 08:30 from Derby Litchurch Lane to Marylebone test run. The two car set looks very smart in its Chiltern livery - these units should start to be introduced into service from the start of the new timetable on 22nd May 2011. Monday 16th May 2011. Digital Image No. GMPI9067.