Definitely worth stopping, looking and listening! 37611 & 37069 sandwich track inspection coach 999508 as they pass Culham with the 2Q88 08:20 Didcot to Banbury test train on 27 April 2011. Routed via Severn Tunnel Junction and then back to Didcot, the train had passed this spot a little earlier en-route to Oxford. This is the Oxford to Didcot return, shortly to be followed by another run in the opposite direction, through Oxford to Banbury, where it would stable in readiness for the following day's trip to Derby RTC.