 Ancillary works include a deep cutting to the south of the tunnel with a new junction for Hindhead and Hammer at its southern end.An equestrian and pedestrian bridge, the Miss James Bridge, crosses the cutting between tunnel and junction, and includes heathland planting to link the habitats on either side of the cutting.Advance works started in January 2007, and main construction works, including the tunnelling, started in 2008.