M23 motorway

M23
Route information
Maintained by Highways England
Length	15.9 mi (25.6 km)
Existed	1974–present
History	Opened: 1974 Completed: 1975
Major junctions
North end	Hooley
Major intersections	J8 → M25 motorway
South end	Pease Pottage
Location
Country	United Kingdom
Counties	Surrey, East Sussex
Primary destinations	London Gatwick Airport Crawley
Road network
Roads in the United Kingdom Motorways A and B road zones
← M20 M25 →

The M23 is a motorway in Surrey and West Sussex, in England. It goes from the M25 near London to Crawley. The A23 goes on to connect it to Brighton. It also goes past Gatwick Airport. The motorway is about 16 miles (26 km) long. Most of the road has 4 lanes in each direction, some has three lanes.

Junctions

M23 motorway junctions
miles	km	Northbound exits (B carriageway)	Junction	Southbound exits (A carriageway)
17.0	27.4	Road continues as A23 to Croydon Croydon A23	J7	Crawley, Gatwick A23 Non-motorway traffic Start of motorway
17.5	28.2
19.0	30.5	Heathrow Airport, Watford, Dartford Crossing (M4, M1, M20, M11), M25	J8	Heathrow Airport (M4), Stansted Airport (M11) Maidstone (M20) (M3, M40, M26) M25
19.3	31.0
26.5	42.7	Gatwick Airport, Redhill A23	J9	Gatwick Airport, Redhill A23
26.8	43.1
28.5	45.8	Crawley A2011 East Grinstead A264	J10	Crawley A2011 East Grinstead A264
28.6	46.1
30.3	48.8	No exit	J10a	Crawley B2036
30.6	49.2
33.1	53.3	Start of motorway Crawley A23 Non-motorway traffic Pease Pottage services	J11 Services	Brighton, Crawley A23 Horsham A264 Pease Pottage services Road continues as A23 to Brighton
33.4	53.8
Notes Distances in kilometres and carriageway identifiers are taken from driver location signs/location marker posts. Where a junction goes across several hundred metres (yards) and the data is available, both the start and finish values for the junction are shown.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Incomplete access