A23

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A23
Location Map ( geo)
Cameraicon.png View gallery (112)
From:  London (TQ311794)
To:  Brighton (TQ313038)
Distance:  52 miles (83.7 km)
Meets:  A302, B300, A3203, A3204, A3, A202, A203, A2217, A204, A205, B221, A214, A216, B272, B273, A235, A236, A232, B271, B275, A2022, A22, B2030, B2032, A237, B276, M23, B2031, A242, A25, A2044, B2036, A217, A2011, A2219, A2220, A2004, A264, B2114, B2110, B2115, A272, A2300, B2118, B2117, A281, A273, A27, A270, B2119, B2066, B2118, A259
Former Number(s):  A22
Highway Authorities

Highways England • Transport for London • Brighton and Hove  • Lambeth  • Surrey  • West Sussex

Traditional Counties

Surrey • Sussex

Route outline (key)
A23 London – Hooley
A23 Hooley – Pease Pottage
A23 Pease Pottage – Brighton
A23 Brighton

Route

The southern end of the A23 at Brighton Pier
Main Article: A23/Route

The A23 is the London to Brighton road. Starting in Lambeth, it passes the various South London suburbs like Brixton, Streatham and Croydon before becoming non-primary at Hooley. It then goes though Redhill, passes Gatwick Airport and Crawley before resuming Trunk status at Pease Pottage Interchange before the run to Brighton where it ends on the Seafront on a roundabout with the A259. Part of the road is also in the South Downs National Park.

History

The A23 at Handcross Hill in 1986
Main Article: A23/History

Unlike many of the First 99 that start in London, the A23's northern end has not really changed since Classification, although the section as far as Purley was originally numbered A22. The southern end has seen much more work. Today it is mostly D3 south of the M23 and an bypass of Crawley.

In 1956 to 1958 the A23 was rerouted around the east edge of Gatwick Airport which was being much expanded from the small prewar airport. Previously the A23 ran straight from Povey Cross to Lowfield Heath across where the airport is now.

Notable locations and improvements

Hooley Interchange

This is where the Northbound on-slip for the M23 would have been
Main Article: Hooley Interchange

The Hooley Interchange is where the A23 finally loses trunk status to the M23. Due to the failure of the Ringway Project, today the M23 ends here instead of further north.

Gatwick Airport

The access point for the South Terminal at Gatwick Airport
Main Article: Gatwick Airport

Gatwick Airport has been a major destination for the A23 since 1935 with the original Beehive Terminal. It was upgraded in 1958 to become London's second airport. Today Gatwick is the world's busiest single runway Airport.


Handcross - Warninglid

Tree clearance - Handcross Hill

Main Article: A23/Handcross - Warninglid

From Spring 2012 to October 2014, this winding D2 section was improved to modern D3 standard, and the Slaugham junction was closed, with improved junctions at Handcross and minor changes at Warninglid. Plans in the 1990s included a fourth lane up the hill northbound, though three lanes each way was chosen. Preparatory works started in October 2011 with the works finishing in 2014.

Patcham interchange

Patcham Interchange viewed from a near by house.
Main Article: Patcham Interchange

The Patcham Interchange is the last GSJ of the A23. Built in the early 1990's for the A27 upgrade, it is a poorly designed junction built into a small valley.


Opening dates

Month Year Section Notes
2009 Coulsdon Relief Road Dual carriageway Bypass.
5 October 2014 Handcross - Warninglid Widening.

Links

Roads.org.uk

Roads UK

Highways England



A23
ProjectsA23/Expressway • A23/Handcross - Warninglid
JunctionsAirport Way Roundabout East • Airport Way Roundabout West • Albourne Junctions • Beaconsfield Crossroads • Belfry Roundabout • Bolney Crossways • Bolney Park Farm Junction • Brighton Road Roundabout • Carden Avenue Roundabout • Cheals Roundabout • Crown and Anchor Junction • Dale Hill Junction • Ditchling Road Crossroad • Ewhurst Roundabout • Fiveways Corner (Croydon) • Fleming Way Roundabout • Gatwick Road Roundabout • Gossops Green Junction • Grand Junction (Brighton) • Handcross Junction • Hickstead Interchange • Hooley Interchange • Ifield Roundabout • Kennington Oval • Lombard Roundabout (Croydon) • Lombard Roundabout (Redhill) • Longbridge Roundabout • Lowfield Heath Roundabout • Manor Royal Junction • North Road • Old Steine • Open Market • Patcham Interchange • Pavilion Parade • Pease Pottage Interchange • Preston Circus • Preston Park South Junction • Purley Cross • Pyecombe Interchange • Richmond Parade • Sayers Common Junction • Slaugham Junction • Southgate Roundabout (Crawley) • St Peters Church • Streatham One-Way System • The Stations Roundabout • Thornton Heath Pond • Tushmore Gyratory • Warninglid Interchange • Westminster Bridge South
ServicesMerstham services • Pease Pottage services
CrossingsHickstead Bridge • Long Bridge (Horley)
RoadsA23(M) Provisional Allocation • NCN20 • NCN21 • T5 (Britain)
PlacesBrighton • Brixton • Central London • Crawley • Croydon • Gatwick Airport • London • Redhill • Reigate • Westminster
MiscellaneousA23(M) • A23/History • A23/Named Junctions • A23/Route • Avenue Verte
Related Pictures
View gallery (112)
A23,Westminster Bridge Road - Geograph - 1473537.jpgA23 - Coppermine - 4952.jpgA23 Coulsdon relief road, bollards - Coppermine - 9947.jpgImh480466 A23 HA old weighbridge.jpgSlip Road, A23(T) - Geograph - 1645916.jpg
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