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Lewknor Interchange

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Lewknor Interchange
Location Map ( geo)
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Location
Lewknor
County
Oxfordshire
Highway Authority
Highways England
Junction Type
Diamond
Roads Joined
M40, B4009
Junctions related to the B4009

Lewknor Interchange is junction 6 of the M40. It is immediately to the north of the Chiltern Escarpment, which forces the London-facing slips to be longer than normal in order to reduce gradients.

The junction is used by Oxford-London coaches, turning off, stopping, then rejoining the motorway. The B4009 to the south is lined with car parking spaces to serve this Park and Ride.

History

Original plan for the junction

Original plans for the M40 show a different layout to what was built. The B4009 bypass of Lewknor was to run slightly to the south of its current route and the London facing slip roads were to be loops which faced the B4009 to the north. The M40 itself is shown as D2M with a crawler lane in the London direction starting at the exit slip.

A proposal for a service area at the junction existed in the mid-1990s.

Routes

Route To Notes

M40

Birmingham, Oxford

M40

London, Wycombe

B4009

P. Risborough, Chinnor, Thame (B4445)

B4009

Lewknor, Wallington 7.5 Ton Weight Limit




Lewknor Interchange
Services
Related Pictures
View gallery (1)
Lewknor original.png
Junctions on the M40
Denham Roundabout • 1A Denham Interchange • 2 Beaconsfield • 3 Knave's Beech • 3A Junction 3A • 4 Handy Cross • 5 Stokenchurch • 6 Lewknor  • 7 Three Pigeons • 8 & 8A Wheatley • 9 Wendlebury  • 10 Ardley • 11 Junction 11 • 12 Junction 12 • 13 Junction 13 • 14 Barford • 15 Longbridge • 16 Junction 16 •  M42 (3A) Umberslade
Proposed extension to M5: M42 3 Portway Island • M42 2 Hopwood Park • M42 1 Harvester Island • M5 4A Catshill • M5 4 Lydiate Ash


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