M23

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M23
Location Map
Cameraicon.png View gallery (56)
From:  Hooley (TQ286552)
To:  Pease Pottage (TQ265336)
Distance:  16 miles (25.7 km)
Meets:  M25, A23, A264
Highway Authorities

Highways England

Traditional Counties

Surrey • Sussex

Route outline (key)
M23 Streatham – Mitcham
M23 Mitcham – Hooley
M23 Hooley – Pease Pottage
Junction List
Junc Northbound Southbound
1 Balham Loop Proposed start of motorway
2 Ringway 2 Start of motorway
3 A236 A236
4 A232 A232
5 M16 M16
6 A2022, B278 A2022, B278
7 A23 Start of motorway
8 M25 M25
9 (A23) (A23)
10 A264, A2011 A264, A2011
10A No exit B2036
11 Start of motorway A23, A264
Globe.png
For detailed information about this topic, see CBRD Motorway Database

Truncated LondonCrawley Motorway. The motorway terminates at junction 7 at the northern end; it was planned to extend into London, with its terminus being on Ringway 2, the motorway replacement for the A205 South Circular Road.

History

Original openings

The section north of the M25 was opened in 1974, with the rest of the M23 opening in 1975.

Smart Motorway Upgrades

Upgrades in 2019/2020 made many changes to the M23, these are:

  • All Lanes Running Between J8 and J10 with Variable Speed Limit. (Total 4 running lanes)
  • Gatwick Spur Westbound All Lanes Running with fixed speed limit of 50MPH. (Total 3 running lanes)
  • Junction 8 (with M25). Non-standard 2 lane drop when heading northbound, will be 6 lanes wide at diverse.
    • Lane 1 (old HS) - M25 Clockwise, will split to two lanes during diverse
    • Lane 2 (old L1) - M25 Anti-Clockwise, will split to two lanes during diverse
    • Lane 3 (old L2) - continue Northbound M23
    • Lane 4 (old L3) - continue Northbound M23
  • Junction 9 (M23 Spur to Gatwick). Lane Drop and Lane Gain in both directions.
  • Junction 10 (A264 & A2011). Lane Drop Southbound and Lane Gain Northbound as end of smart motorway scheme.
  • 12 New Emergency Areas (ERA)
  • Emergency vehicle turnaround point between J8 and J9.
  • 10 New Superspan Gantries
  • 23 New Cantilever Gantries

Junctions

Hooley Interchange

Hooley Interchange.png
Main Article: Hooley Interchange

The Hooley Interchange is a junction between the M23 and A23. It is also the northern terminus of the M23, although that motorway was supposed to head further north. As a result, the junction is unfinished, leaving two unused flyovers over the A23.

Merstham Interchange

Merstham Interchange.PNG
Main Article: Merstham Interchange

The Merstham Interchange is the junction between the M25 and the M23. It is one of three four-level stacks in the United Kingdom. The junction is only a mile south of the terminus of the M23, the Hooley Interchange. Consequently, very little traffic heads north from here.

Services

Pease Pottage services

Pease Pottage services - Geograph - 1409965.jpg
Main Article: Pease Pottage services

Pease Pottage services are located at the extreme southern end of M23, and is one of the smallest MSAs on the British motorway network.

Opening Dates

For detailed information about this section, see Roads.org.uk Motorway Database: M23 Timeline

Traffic Data

From http://www.dft.gov.uk/traffic-counts/

Link 2002 AADF 2006 AADF 2010 AADF 2014 AADF
J7-8 33936 32013 28895 30757
J8-9 111341 111022 107215 118678
J9-9A 57184 50082 49979 47210
J9-10 105243 117758 103480 96998
J10-10A 80148 98865 97987 84581
J10A-11 82651 97808 81607 66161
J11 55244 64866 55624 52102

Links

Roads.org.uk

Roads UK

Photo Galleries



M23
JunctionsAirport Way Roundabout East • Balcombe Road Junction • Crawley Interchange • Gatwick Interchange • Hooley Interchange • Merstham Interchange • Pease Pottage Interchange • Streatham Interchange • Streatham Vale Interchange
ServicesMerstham services • Pease Pottage services
PlacesCrawley • Gatwick Airport • London
Related Pictures
View gallery (56)
- Coppermine - 4961.jpgGantry Over the M23 Motorway, Near Merstham, Surrey - Geograph - 1656808.jpgM23-M25 Interchange in 1979 - Geograph - 2466993.jpgM23 Junction 9 - Coppermine - 885.jpgPease Pottage Services - Geograph - 27005.jpg
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