Not the most helpful response from Autocab, unfortunately.

I've taken a quick look at the Bing street side imagery from the Berwell Road and Drayton Park ends of the service road. To me, this looks more like a pedestrian way which is occasionally used by service vehicles, rather than as a service road which is occasionally used by pedestrians. As you are presumably more familiar with the area around the stadium, does that sound like a better way to describe it?