Bank Holiday Monday and this is Bedford North Junction on the Midland Mainline and this is 37667 as it heads the 3Z03 Derby RTC to Hither Green test train. The coaches would be use on local third rail jobs during the week before returning back to the RTC at the end. br/ br/ In tow are:br/ Plain Line Pattern Recognition Vehicle 1254br/ Track Recording Coach 999550lrm;br/ Generator Van 6261br/ Staff Coach 9481lrm;