A40 Road

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The A40 is a Trunk Road connecting London to Fishguard , Wales .

It is one of the few remaining of the "old" trunk routes not to have been superseded by a direct Motorway link, though some parts, such as the southern section from London to Oxford are served by the M40 . Edward Platt authored a book entitled Leadville, an intriguing mix of sociology, town planning and a record of how the A40 was conceived and how it shaped and continues to influence those who live beside and travel on it.

The route passes through the following places in order:

In central London:

--- The road begins as Newgate Street in the City Of London where at St. Martin's Le Grand it shares its starting point with the A1 north of St. Paul's Cathedral .

--- For the majority of its length in Central London it runs in a westerly direction, becoming in turn:

-- Holborn Viaduct

-- High Holborn

-- St Giles High Street

-- New Oxford Street

-- Oxford Street to Marble Arch .

--- From Marble Arch, the route previously ran along:

-- Bayswater Road

-- Notting Hill Gate

-- Holland Park Avenue

-- Uxbridge Road

-- Wood Lane to the junction with The Westway

--- however since 2000 when the designation of the elevated section of the Westway to Paddington was reduced from A40(M) ( Motorway ) to A40, the route has changed to run from Marble Arch along:

-- Edgware Road (shared with and signposted as A5 )

-- The Westway

--- to Savoy Circus (so called because it was once a roundabout) where the name changes to Western Avenue as far as the Denham Roundabout where it meets the western extremity of the A4020 road (the old Uxbridge Road) and the start of the M40 .

Denham

Gerrards Cross

Beaconsfield

High Wycombe

West Wycombe

Stokenchurch

Oxford

Eynsham

Witney

Burford

Northleach

Charlton Kings

Cheltenham

Gloucester

Highnam

Huntley

Ross-on-Wye

Whitchurch

Monmouth

Abergavenny

Brecon - The A40 continues from the west side of Brecon for 8 miles until you come to Sennybridge . Here you have links to Merthyr Tydfil / Brecon Beacons (A470) via the A4215 and to Swansea via the A4067.

Llandovery - link for the A483 to Builth Wells .

Llanwrda - link for the A482 to Lampeter .

Llandeilo

Carmarthen

St Clears

Haverfordwest

Fishguard

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A40 Road