66573 accelerates away from Wantage Road on 26 March 2007 with the 4O51 10:02 Wentloog to Southampton freightliner. It had traveled along the up relief line from Challow, and had waited at the end of the four track section (just beyond the bridge in the background) for the passage of a couple of HSTs. Unfortunately the main traffic on this service is fresh air, and this very light load is not at all unusual.