A15 road (England) over the old route of the A15 (B1206) and over the South Trans-Pennine railway. At junction 5, the A15 reforms at the dual-grade "Barnetby Top Interchange", which is crossed by the Viking Way and has an exit to Elsham. It continues north as a dual carriageway which carries about as little traffic as the M180. The M180 drops to two lanes under this roundabout and continues to Grimsby and Immingham as the A180. The A15 towards the Humber Bridge, goes directly across the runways of the former RAF Bomber Command airfield at RAF Elsham Wolds (where over 1000 of its
A15 road (England) July 1998. The A15 and A1175 roads are now merged in a dual-carriageway stretch. It meets the B1524 (former route) at a roundabout and heads to the left as "Peterborough Road" "Bourne Road" and "Deeping Road". North of Baston is the Waterside Garden Centre close to where it meets the north-south Roman Road King Street, which it follows until just north of Bourne. It goes over the River Glen at the point it is crossed by the Macmillan Way, at Kate's Bridge. There is a left turn for Obthorpe and it goes through Thurlby, passing the "Horseshoe" pub, then Northorpe,