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A4127

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A4127
Location Map ( geo)
Cameraicon.png View gallery (2)
From:  Norwood Green (TQ132783)
To:  North Wembley (TQ164866)
Distance:  5.9 miles (9.5 km)
Meets:  A3005, B454, A4020, B455, A40, A4090, A4005, A404
Former Number(s):  B358
Highway Authorities

Brent  • Ealing  • Harrow

Traditional Counties

Middlesex

Route outline (key)
A4127 Norwood - North Wembley
Sudbury Court Drive

The A4127 is an urban A-road in west London.

It starts on the A3005 on Norwood Green. From here it heads north with the green to its left and Osterley Park behind the houses to the right. Soon the left side of the road becomes built-up and the right becomes open. After passing a cricket field we reach a roundabout junction with the B454 where the road bears left. It immediately goes over the uppermost of Brunel's Three Bridges, where it crosses the Grand Union Canal, with the Brentford Branch Line running between the two, thus making a 3-level intersection. A modified roundabout (where the A4127 always has priority) is then reached, providing access to a retail park. On the far side, a D2 section (Windmill Lane) leads to traffic lights on the A4020 (Uxbridge Road).

The A4127 turns left here to pass under the Great Western Main Line in a brief multiplex with the A4020. On the far side of the bridge a further set of lights controls the junction from which the A4127 resumes its northward course (along Greenford Road). However, turning right is prohibited here and northbound A4127 traffic must instead continue westward along the A4020 for some 350 m before U-turning back through a gap in the central reservation. Similar arrangements apply for southbound Greenford Road to Windmill Lane traffic, which must U-turn on Uxbridge Road some 250 m east of the railway bridge.

Having rejoined the A4127, we head north through a golf course before houses reappear, first on the left and then on the right. There is another brief semi-rural section as we pass Greenford Cemetery and then continue past the Greenford Road shops to the A40, which is crossed at a roundabout GSJ. On the far side the A4127 goes under two railway bridges carrying the Central Line and Greenford Branch Line before skirting a retail park and crossing the Grand Union Canal again.

The road becomes residential once more and crosses the A4090 at traffic lights. On the far side it passes what the OS Landranger maps describe as the Sudbury Hill Stations, the first being Sudbury Hill station on the Piccadilly Line, then Sudbury Hill Harrow station on the Chiltern line; in both cases the road goes over the railway. The A4005 is then reached, which is crossed at a signalised staggered crossroads.

The final section of the road runs along Sudbury Court Drive. Initially the road is a wide S2 but it soon becomes D2, with a service road on both sides; the London Borough border is the boundary. The road descends to reach the John Lyon Roundabout on the A404 where it ends.

History

The A4127 came into being in 1928 when the northern end of the B358 was upgraded and given Class I status - the old road went through Greenford but the A4127 bypassed it to the east. The road therefore ran from the A40 (present A4020) to the A4005, and did not include the two ends of today's route. The road had gained its present northern end by the 1950s but the southern extension came later still. This has been realigned from its original B358 route; it is likely the renumbering took place along with the upgrade.




A4127
Junctions
Related Pictures
View gallery (2)
Greenford Roundabout - Geograph - 1035085.jpgA4127 Sudbury Court Drive - Geograph - 1653763.jpg
Other nearby roads
Harrow
A40 • A312 • A404 • A409 • A410 • A4005 • A4006 • A4008 • A4090 • A4125 • A4140 • B358 • B457 • B458 • B459 • B460 • E13 • Longest Lane • M1 • M16 • Ringway 3
Ealing
A4100-A4199
A4100 • A4101 • A4102(W) • A4102(E) • A4103 • A4104 • A4105 • A4106 • A4107 • A4108 • A4109 • A4110 • A4111 • A4112 • A4113 • A4114 • A4115 • A4116 • A4117 • A4118 • A4119
A4120 • A4121 • A4122 • A4123 • A4124 • A4125 • A4126 • A4127 • A4128 • A4129 • A4130 • A4131 • A4132 • A4133 • A4134 • A4135 • A4136 • A4137 • A4138 • A4139
A4140 • A4141 • A4142 • A4143 • A4144 • A4145 • A4146 • A4147 • A4148 • A4149 • A4150 • A4151 • A4152 • A4153 • A4154 • A4155 • A4156 • A4157 • A4158 • A4159
A4160 • A4161 • A4162 • A4163 • A4164 • A4165 • A4166 • A4167 • A4168 • A4169 • A4170 • A4171 • A4172 • A4173 • A4174 • A4175 • A4176 • A4177 • A4178 • A4179
A4180 • A4181 • A4182 • A4183 • A4184 • A4185 • A4186 • A4187 • A4188 • A4189 • A4190 • A4191 • A4192 • A4193 • A4194 • A4195 • A4196 • A4197 • A4198 • A4199
Former iterations: A4105(W) • A4105(E) • A4108 • A4114 • A4115 • A4116 • A4125 • A4141 • A4150 • A4154 • A4160 • A4168

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