Paragraph 1

The specified roads are—

(a)

that length of the eastbound carriageway of the M4 beginning at junction 12 at a point which is 300 metres west of the western edge of the western bridge carrying the circulatory carriageway of the A4 over the M4 and ending at junction 3 at a point which is 150 metres west of the western end of the parapet railing of the western bridge carrying the M4 over the circulatory carriageway of the A312 at junction 3;

(b)

that length of the westbound carriageway of the M4 beginning at junction 3 at the eastern edge of the bridge carrying Southall Lane over the M4 and ending at junction 12 at the eastern edge of the eastern bridge carrying the circulatory carriageway of the A4 over the M4;

(c)

the carriageways of the slip roads referred to in paragraph 4;

(d)

the linking carriageways referred to in paragraph 5;

(e)

that length of carriageway connecting the westbound carriageway of the M4 at junction 4 with the southbound carriageway of the Heathrow Spur and the gyratory at junction 4;

(f)

that length of carriageway connecting the northbound carriageway of the Heathrow Spur and the gyratory at junction 4 with the westbound carriageway of the M4 at junction 4; and

(g)

at junction 8/9—

(i)

those lengths of carriageway from the eastbound and westbound carriageways respectively of the M4 to the gyratory at junction 8/9 beginning at the point each diverges from the carriageway of the M4 and ending at the point each merges with that gyratory; and

(ii)

those lengths of carriageway from the gyratory at junction 8/9 to the eastbound and westbound carriageways respectively of the M4 beginning at the point each diverges from that gyratory and ending at the point each merges with the carriageway of the M4.