TO
CIR
EN
CE
ST
ER
CO
MM
ON
HE
AD
JU
NC
TIO
N
T
O
S
W
I
N
D
O
N
B
4
1
9
2
PA
CK
H
ILL
CO
MM
ON
HE
AD
RO
UN
DA
BO
UT
A 4
19 (
N)
A 4
19 (
S)
DO
WN
S W
AY
FO
R C
ON
TIN
UA
TIO
N S
EE
A
BO
VE
7
7
8
9
10
10
10
10
10
COMMONHEAD
ROUNDABOUT
M
E
A
D
O
W
W
A
Y
ME
AD
OW
WA
Y
M
4 E
A
S
T
M
4
W
E
S
T
TO MARLBOROUGH
HIG
HW
AY
S E
NG
LA
ND
CO
MP
OU
ND
FO
R C
ON
TIN
UA
TIO
N S
EE
B
ELO
W
1
2
3
4
4
4
5
6
5
7
7
7
11
12
11
12
13
13
14
14
M4 JUNCTION 15
LEGEND
CARRIAGEWAY
FOOTWAY
TRAFFIC ISLAND / CENTRAL RESERVE
TRAFFIC SIGNALS
EXISTING VEGETATION TO BE RETAINED
NEW WOODLAND PLANTING
NEW WOODLAND EDGE PLANTING
NEW TREES AND SHRUBS
NEW INDIVIDUAL TREES
NEW SPECIES RICH GRASSLAND
NEW AMENITY GRASSLAND
NEW IMPROVEMENT TO MARLBOROUGH ROAD ENTRY
WIDEN CARRIAGEWAY AT JUNCTION 15 ROUNDABOUT
NEW SIGNALISED PEDESTRIAN CROSSING
NEW OFFLINE FOOTPATH LINKING DAY HOUSE LANE TO
JUNCTION 15 ROUNDABOUT
NEW IMPROVEMENTS TO M4 SLIP ROADS
NEW SEGREGATED LEFT TURN LANE FOR EASTBOUND
TRAFFIC
WIDEN CARRIAGEWAY TO THREE LANES BETWEEN
COMMONHEAD AND JUNCTION 15 ROUNDABOUT
NEW IMPROVEMENT TO COMMONHEAD SOUTHBOUND ON
SLIP ROAD
MAINTAIN EXISTING COMMONHEAD SOUTHBOUND ON
SLIP ROAD WITH REVISED ROAD MARKING LAYOUT
REFRESH ROAD MARKING LYOUT AT COMMONHEAD
ROUNDABOUT
DAY HOUSE LANE / MEADOW WAY TO BE STOPPED UP TO
MOTORISED TRAFFIC
MAINTAIN EXISTING DAY HOUSE LANE BRIDGE AND
INSTALL UNDERPASS BENEATH FOR PEDESTRIANS,
CYCLISTS AND HORSE RIDERS
BUS STOPS TO CLOSE
NEW NOISE BARRIER TO BE INSTALLED. TYPICALLY
THESE MAY BE 2 METRE HIGH CONCRETE, TIMBER OR
PLASTIC PANELS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
M4 JUNCTION 15
