Work No. 39A—U.K.Realignment of the exit slip road from the eastbound carriageway of the M2 (Work No. 37A), commencing by a junction with Work No. 37A at a point 185 metres south of the access from Rochester Road to the caravan site on the south side of Rochester Airport, passing south-eastwards under the A229 (Work No. 40A) and terminating at the north-eastern end of the roundabout (Work No. 39E);