A403 road

A403 road
Major junctions
South end:	Avonmouth^[1]
	A4 road [[Image:Motorway Left.svg\|[ \|x30px\|link=]] M5 motorway [[Image:Motorway Left.svg\|[ \|x30px\|link=]] M49 motorway [[Image:Motorway Left.svg\|[ \|x30px\|link=]] M48 motorway
Location
Primary destinations:	Aust Redwick Chittening Severn Beach Pilning
Road network
Roads in the United Kingdom Motorways A and B road zones

The A403 at Avonmouth

The A403 is a road in the United Kingdom that starts at junction 1 of the M48 at Aust and leads to Avonmouth in Bristol. It is important as a major route for the industries there, allowing easy travel access to Wales and South and East England.

The A403 was opened in about 1970^[2] after the Severn Bridge was opened in 1966, to provide a direct route between the then M4 motorway and Avonmouth. It was initially known as the Avonmouth Aust Coast Road. Between the M4 at Aust and Pilning it replaced the B4055 on a realigned route. Between Pilning and Chittening it followed a new route beside the ICI Severnside plant, and from Chittening to Avonmouth it followed the route of an existing unclassified road, St Andrews Road. At Avonmouth it connects with the A4.

Around 8000 vehicles a day use this road, which recently underwent speed restrictions, between Bristol and Severn Beach, to 50 mph.

References

A roads in Zone 4 of the Great Britain road numbering scheme

	A4 A40 A41 A42 A43 A44 A45 A46 A47 A48 A49

	A403 A404 A405 A406 A412 A413 A414 A415 A417 A418 A419 A420 A421 A422 A423 A425 A426 A427 A428 A429 A431 A432 A433 A435 A441 A442 A444 A445 A446 A448 A449 A452 A453 A454 A456 A458 A461 A465 A468 A469 A470 A472 A473 A474 A475 A476 A477 A478 A482 A483 A484 A485 A486 A487 A488 A489 A490 A491 A493 A494 A496 A497 A498 A499

	A4005 A4006 A4008 A4010 A4012 A4018 A4025 A4032 A4037 A4040 A4042 A4050 A4053 A4054 A4055 A4059 A4060 A4061 A4063 A4067 A4069 A4074 A4076 A4080 A4085 A4094 A4103 A4107 A4109 A4110 A4113 A4117 A4118 A4119 A4123 A4130 A4133 A4135 A4136 A4138 A4142 A4146 A4148 A4150 A4155 A4160 A4161 A4169 A4173 A4174 A4202 A4212 A4216 A4217 A4221 A4226 A4230 A4232 A4234 A4240 A4241 A4260 A4361 A4400 A4536 A4540

List of A roads in Zone 4 List of B roads in Zone 4

Transport in Bristol

Road

Motorways	M4 M5 M32 M49 Almondsbury Interchange

European Routes	European route E30

A roads	A4 (Portway) A37 A38 A369 A370 A403 A420 A431 A432 A4018 A4174 A4032 B4058

Bus

Cycling

Rail

Railway lines

Stations

Other

Air

Bristol Airport

Water

Public transport

Public transport in Bristol

Bridges

Coordinates: 51°33′09″N 2°39′56″W / 51.55237°N 2.66547°W / 51.55237; -2.66547

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