Kilsby Interchange

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Kilsby Interchange
Location Map ( geo)
Watford Gap - Geograph - 86396.jpg
Cameraicon.png View gallery (4)
Location
Kilsby
County
Northamptonshire
Highway Authority
Highways England
Junction Type
Fork
Roads Joined
M1, M45
Junctions related to the M45
Dunchurch Interchange • Thurlaston Interchange

The Kilsby Interchange, junction 17 of the M1, is the junction between the M1 and M45. It was built in 1959 and is the oldest motorway-to-motorway junction in the country (now that the M10 has been downgraded).

It is a south facing fork junction, a legacy of when the M1 ended a few miles north of here.

The advance signage for this junction originally had a fork offering "M45" and "M1" as exits, which caused confusion as the M1 was known informally (and inaccurately) as the motorway to Birmingham, but until the M6 opened, the M45 exit was needed. Some debate was held about the best way to handle junctions like this, as there were about to be more junctions like this. Equally on the southbound side, engineers weren't sure how to explain to motorway-novice motorists how to use the merge, exploring a range of complicated diagrams and wordy "stay in lane - traffic islands ahead" messages.

Strip Maps

Routes

Route To Notes

M1

The NORTH, Birmingham (M6)

M1

The SOUTH, Northampton, London

M45

Coventry



Kilsby Interchange
Related Pictures
View gallery (4)
M1 Junction 17 - Coppermine - 105.jpgM45-M1 Merge - Coppermine - 13850.jpgWatford Gap - Geograph - 86396.jpgWatford Gap - Geograph - 86401.jpg
Other nearby junctions
RugbyBlue Boar Interchange • Catthorpe Interchange • Dunchurch Interchange • M6 J1 • Mr Kipling Roundabout • Thurlaston Interchange
Junctions on the M1
Marble Arch • Hampstead • 1 Staples Corner • 2 Fiveways • Scratchwood • 4 Brockley • Bushey • 5 Berrygrove • 6 Waterdale • 6A Chiswell • 7 Beechtrees • 8 Breakspears • 9 Friars Wash • 10 Pepperstock; (10A Kidney Wood) • 11 Junction 11 • 11A Chalton • 12 Toddington • 13 Ridgemont • 14 Broughton • 15 Collingtree • 15A Rothersthorpe • 16 Kislingbury • 17 Kilsby • 18 Crick • 19 Catthorpe • 20 Misterton • 21 Whetstone • 21A Kirby Muxloe • 22 Markfield • 23 Shepshed • Long Whatton • 23A Finger Farm • 24 Kegworth • 24A Warren Lane • 25 Sandiacre • M42 • 26 Nuthall • 27 Junction 27 • 28 Pinxton • 29 Heath • 29A Duckmanton • 30 Barlborough • 31 Aston • 32 Thurcroft • 33 Catcliffe • 34 Tinsley • 35 Thorpe Hesley • 35A Tankersley • 36 Birdwell • 37 Dodworth • 38 Haigh • 39 Durkar • 40 Flushdyke • Kirkhamgate • 41 Carrgate • 42 Lofthouse • 43 Belle Isle • 44 Rothwell Haigh • 45 East Leeds Link • 46 Austhorpe • 47 Parlington • 48 Hook Moor
Former Leeds city section: 43 Stourton • 44 Belle Isle • 45 Tunstall • 46 Hunslet • 47 Holbeck