A404 road

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A404 road
Direction	East-West & North-South
Start	Westway, Marylebone, London
Primary destinations1	Wembley, Harrow, Northwood, Rickmansworth, Amersham, High Wycombe, Marlow
End	Maidenhead
Roads joined	A40 road A219 road A406 road A312 road A410 road A412 road A413 road A416 road A355 road A40 road A308 road A4 road M25 motorway M40 motorway ( M4 motorway)
Notes Primary destinations as specified by the Department for Transport.

The A404 is a road in the United Kingdom that starts at Paddington in London and leads to Maidenhead in Berkshire.

The road initially follows a course through London and its suburbs including Harlesden, Wembley, Harrow and Rickmansworth. It crosses the M25 at Chorleywood and continues into Buckinghamshire towards Little Chalfont and Amersham.

Between Paddington and Amersham, the road closely follows the route of the Chiltern Railways Marylebone to Aylesbury service and runs right past several stations along that line.

At Amersham Common, the road turns south-west and continues in that direction passing the rest of Amersham towards High Wycombe. After winding through Wycombe town centre, it changes to a dual carriageway up to the M40 Handy Cross junction and continues as a dual carriageway past Marlow and Bisham.

The road eventually turns into the A404(M) at Maidenhead Thicket. This then runs a short distance to the M4 where the A404(M) finally terminates at Junction 8/9.

[edit] Recent Changes

A number of changes have been made to the course of the A404 since the 1970s including:

1. The building of the "Marlow by-pass" section of the A404 in 1972 (which replaced the old road from Handy Cross to Marlow).
2. The building of the "Amersham by-pass" in 1987 which meant the A404 no longer went through Amersham old town.
3. The building in 1992 of the section by-passing Burchetts Green roundabout and the village of Stubbings in Berkshire. This section also allowed the A404 to continue neatly into the A404(M) (formerly the A423(M)) without drivers having to negotiate a roundabout.

v • d • e 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 • A406 • A412 • A413 • A414 • A417 • A418 • A419 A420 • A421 • A422 • A423 • A425 • A426 • A427 • A428 • A429 • A431 • A432 • A435 • A441 • A442 • A445 • A449 • A452 • A453 • A454 • A456 • A458 A461 • A465 • A468 • A469 • A470 • A472 • A478 • A482 • A483 • A484 • A487 • A488 • A489 • A490 • A494 • A497 • A498 • A499 A4005 • A4006 • A4010 • A4012 • A4018 • A4025 • A4032 • A4040 • A4042 • A4050 • A4067 • A4080 • A4085 • A4094 • A4103 • A4113 • A4117 • A4118 • A4133 • A4135 • A4142 • A4146 A4150 • A4155 • A4161 • A4173 • A4174 • A4196 • A4202 • A4212 • A4232 • A4234 • A4260 • A4361 • A4400 • A4536 • A4540 List of A roads in Zone 4