Work No. 13J—U.K.Realignment of the A249 (Sittingbourne Road), including a bridge over the railway (Work No. 13), commencing in that road at a point 80 metres north-east of the junction with that road of the side road to Detling and terminating in Sittingbourne Road at a point 110 metres north of the northern abutment of the eastern bridge of the roundabout through which that road passes over the M20;