11. That length of the eastbound carriageway of the M4 Motorway from a point 13 metres west of motorway marker post 25.0 to a point 47 metres east of motorway marker post 16.7, a distance of approximately 8.4 kilometres.
12. The entire length of the Junction 3 eastbound access slip road, a distance of approximately 704 metres.
13. The Junction 3 eastbound exit slip road, from its junction with the eastbound main carriageway of the M4 Motorway eastwards for a distance of 309 metres.
14. The entire length of the Heston Service Area access slip road, a distance of approximately 360 metres.
15. The Heston Service Area exit slip road, from its junction with the eastbound main carriageway of the M4 Motorway eastwards for a distance of 268 metres.
16. The entire length of the Junction 4 access slip road, a distance of approximately 839 metres.