TheM1 motorway connectsLondon toLeeds, where it joins theA1(M) nearAberford, to connect toNewcastle. It was the first inter-urbanmotorway to be completed in the UK;[2] the first motorway in the country was thePreston Bypass, which later became part of theM6.[3]
Themotorway is 193 miles (311 km) long and was constructed in four phases. Most of the motorway was opened between 1959 and 1968. The southern end was extended in 1977 and the northern end was extended in 1999.
It is also the second longest motorway in the country with theM6 motorway being the longest at 232 miles (373 km).
There had been plans before theSecond World War for a motorway network in the United Kingdom.Lord Montagu of Beaulieu formed a company to build a 'motorway-like road' from London to Birmingham in 1923,[4] but it was a further 26 years before theSpecial Roads Act 1949 was passed, which allowed for the construction of roads limited to specific vehicle classifications, and in the 1950s, the country's first motorways were given the government go-ahead.
The first section of motorway was the Preston Bypass inLancashire, now part of theM6 motorway, which opened in 1958.[3] The M1 was Britain's first full-length motorway and opened in 1959.[citation needed] The early M1 had nospeed limits,crash barriers, or lighting, and hadsoft shoulders rather than hard. As there was then little traffic, London musicians such as the Rolling Stones were known to speed up to take advantage of theWatford Gap Motorway Services Area, open 24 hours at a time when pubs closed at 11 p.m.[5]
The first section of the motorway, between junction 5 (Watford) and junction 18 (Crick/Rugby), opened on 2 November 1959, together with the motorway's two spurs, theM10 (from junction 7 to south ofSt Albans originally connecting to the A1) and theM45 (from junction 17 to theA45 andCoventry). Parts of theHertfordshire section were built usingsteam rollers.[6]
The M1 was officially inaugurated fromSlip End (close to Luton), celebrated by a large concrete slab on the bridge next to the village,[7] with inscription "London-Yorkshire Motorway – This slab was sealed by theHarold Watkinson M.P. – Minister of Transport – Inauguration Day – 24th March 1958". It was relocated, during widening works in 2007–08, to the eastern side of junction 10.
This section of the M1 broadly follows the route of theA5 north-west. It started at the Watford Bypass (A41), which runs south-east to meet theA1 at Apex corner, and ended on the A5 at Crick. The M10 spur motorway connected the M1 to the North Orbital Road (A405/A414, a precursor of theM25) where it also met the A5 (now renumbered here as theA5183) and, 2 miles (3.2 km) to the east via the A414, theA6, which subsequently became part of the M25.
A £1.5 million contract was given in May 1958 for the most southerly section, from Aldenham to Beechtrees (the M10 junction), for two lanes ofreinforced concrete, to open in November 1959.[8] There was immense flooding on this section in July 1958.[9]
Although the whole of the first section opened in 1959, it was built in two parts, with the northern part (junctions 10 to 18) being built byJohn Laing[2] and the southern part (the St Albans Bypass) being built byTarmac Construction.[10]
The headquarters of the Laing project was on Wolverton Road in Newport Pagnell.[11] The motorway was opened by Ernest Marples at thePepperstock junction (junction 10), previously a motorway spur, now the A1081.[12] The two motorway projects, the St Albans Bypass and the Pepperstock-Crick section met at Luton.
On the opening of the M1, the first person to reach the Birmingham end of the new section of motorway was anaesthetist Eric Plumpton (Dr Frederic Salkeld Plumpton, 1933–2016) in hisTriumph TR2, travelling 23 miles (37 km) fromUpper Heyford, Northamptonshire in 14 minutes at an average speed of 98.5 mph (158.5 km/h), at about 10.10 am.[13][14] The northern end of the M1 and M45 opened at 9.56 am.[15]
In 1956 it was announced that the proposed route, fromMisterton with Walcote toMarkfield, would go right through the middle of the much-loved beauty spots ofCharnwood Forest in theBorough of Charnwood. 32,000 signatures of the 'Save Charnwood' petition were sent to parliament on 19 March 1958.[16]
The proposed unpopular route, in Charnwood, was opposed by the Leicestershire Ramblers Association, but not byLeicestershire County Council. This proposed route would never have got through a public enquiry. An alternative route was go to through theSoar Valley.[17]
The altered route, to mostly avoid Charnwood Forest, was published on Wednesday 17 September 1958. The controversial £12m motorway section opened on Friday 22 January 1965 at the Leicester Forest East services, with theBishop of Leicester in attendance.
The continuation of the motorway from junction 18 towards Yorkshire was carried out as a series of extensions between 1965 and 1968. Diverging from the A5, the motorway takes a more northerly route through theEast Midlands, viaLeicester,Loughborough,Nottingham toSheffield, where theM18 splits from the M1 at junction 32 to head toDoncaster.
In February 1964, atLockington, Leicestershire, a 150 lb (68 kg) German bomb was found in the construction.[18]
Originally, the M1 was planned to end at Doncaster but it was decided to make what was going to be the "Leeds and Sheffield Spur" into the primary route, with the 11-mile (18 km) section to theA1(M) south of Doncaster given the separate motorway number M18.
From junction 32, the motorway passes Sheffield,Rotherham,Barnsley andWakefield, reaching the original end of the motorway at (the original) junction 44 to the east of Leeds. There were plans to route the M1 from just south of junction 42, where it interchanges with theM62, round the west of Leeds to the A1 atDishforth. The chosen route passes to the east of Leeds. With the M62 andM621, the M1 forms a ring of motorways around the south of Leeds.
In 1972, an extension of the M1 was opened into central Leeds as the Leeds South Eastern Motorway, where it met the Leeds South Western Motorway (M621) coming north-east from the M62 at junction 3.
In July 1972, the then UK Minister for Transport Industries,John Peyton, announced that 86 miles (138 km) of UK motorway particularly prone to fog would benefit from lighting in a project that "should be" completed by 1973.[19] Sections to be illuminated included the M1 between junctions 3 and 14, and between junctions 16 and 24.[19] In August 2011, the Highways Agency announced that, despite being converted to Smart Motorway status, the lights will be switched off on stretches of the motorway between junctions 10 (Luton) and 15 (Northampton) without affecting road user safety. The motorway junctions and their approaches, and a section of the M1 on either side of junction 11 (north Luton), would have lighting columns replaced and remain lit. All lighting columns from junctions 10 to 14 were removed completely, apart from some on slip roads.[20]
An increasing official interest in secondary safety was evident in an announcement in March 1973 that work would begin shortly on erecting "tensioned safety barriers" along the central reservation of a 34-mile (55 km) section of the M1 betweenKegworth (J24) andBarlborough (J30).[21]
Between 1996 and 1999, the M1 section north of the M62 underwent a major reconstruction and extension to take the M1 on a new route to the A1(M) atAberford. The new road involved the construction of a series of new junctions, bridges and viaducts to the east of Leeds. When the new section of M1 was completed and opened on 4 February 1999,[22] the Leeds South Eastern Motorway section of the M1 was re-designated as the M621, and the junctions were given new numbers: M621 junctions 4 to 7.
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The M1 was extended south towards London from its original starting point at junction 5, in three stages. The first stage, opened in 1966, took the motorway south-east, parallel to theA41, to meet the A5 at junction 4 south ofElstree. The second phase continued east toScratchwood (London Gateway Services, which occupies the location of the missing junction 3, from where an unbuilt spur would have connected to the A1 at Stirling Corner to the north-east). The M1 then runs south alongside theMidland Main Line towardsHendon, where it meets the A1 again at junction 2 via a tightly curved flyover section. These flyovers connecting from the A1 were originally both for northbound traffic: the left one as the on-ramp to the M1, the right one going over the A1/A41 junction beneath to rejoin the A1 northbound.
Junction 2 is about 2.5 miles (4 km) south of the original junction 3. Before the completion of junction 2, southbound traffic left the motorway via a slip road which passed around the back of the now disused Homebase and under the A41/A1 Mill Hill Bypass, and looped round to join it at Fiveways Interchange. This slip road is still visible to southbound traffic approximately 650 yards (590 m) before junction 2, and was maintained until the early 2000s, even though not accessible to traffic. The northbound slip road from the A1 is now partially used as the entrance way to a retail park and was once carried by bridge, but no longer reaches the northbound carriageway, because it is cut off by the motorway continuing south.
The final section of the M1 was opened to junction 1 atStaples Corner in 1977. There the motorway meets theNorth Circular Road (A406) at agrade separated junction and roundabout. Unrealised plans from the 1960s would have seen the motorway continue through the junction on an elevated roadway to end atWest Hampstead, where it would have met theNorth Cross Route, the northern section of theLondon Motorway Box, a proposed ring of urban motorway around the central area. The layout of the Staples Corner junction was originally built in accordance with those plans, although most of theLondon Ringways Plan had been cancelled by 1973. Around the same time, the section between the then-M10 and junction 5 was widened from the original two lanes to three.
On its completion, the M1 acted as a fast link road between London andBirmingham via the M6. It also provided a link toLondon Luton Airport for those regions, and its proximity to the site of thenew town ofMilton Keynes (designated in 1967) meant that it was soon providing a vital transport link to another major area.
In 2006, plans were published for the widening of 91 miles (146 km) from Leicester through to Leeds (junctions 21–42) to four lanes each way.[citation needed]
Escalating costs across the whole of the Highways Agency programme, including the M1 project, on which costs had risen to £5.1 billion, as well as increasing opposition to major road expansion,[23][24] as well as criticisms by the Transport Select Committee and theNational Audit Office, led to wide-ranging re-assessments of the Agency's project costs.[25] Widening was scaled back to the junctions 6A to 10 scheme that was already in progress, and from Nottingham and Mansfield (junctions 25–28), andhard shoulder running was to be used for other sections.
Many later developments, including smart motorway schemes, have been made to the M1, and these are detailed below. Recent concerns about accidents and deaths on the former hard shoulder have led to a halt and review into extending all lane running which reported in July 2021.[26][failed verification]
 The route of the Dunstable Northern Bypass proposal and route options for the connecting Luton Northern Bypass. | |
| Location | Central Bedfordshire |
|---|---|
| Proposer | Highways Agency |
| Status | Completed (summer 2017) |
| Type | Road |
| Cost estimate | £171 million to £217 million |
| Geometry | KML |
The A5-M1 Link (Dunstable Northern Bypass) is a two-lane dual carriageway running east from the A5 north of Dunstable joining the M1 at a new junction 11a south of Chalton.[27] Here, it is intended to join with a proposed Luton Northern Bypass to form a northern bypass for the wider conurbation. The A5-M1 Link aims to alleviate traffic congestion in Houghton Regis and Dunstable, reduce journey times for long-distance traffic travelling through Dunstable and improve the regional economy. The Highways Agency detrunked the A5 through Dunstable when the A5-M1 Link opened to the public in May 2017.[28] As part of the Dunstable Town Centre Masterplan, Central Bedfordshire Council built the 2.9 km (1.8 miles) Woodside Link to connect the new junction 11a to the industrial areas of Dunstable and Houghton Regis. Most of the road opened to traffic in autumn 2016 with the remaining section connecting to junction 11a.[29]
There is a proposal to widen the M1 to dual four-lane or dual five-lane between junctions 21 and 21a and construct a new link road between the M1 and theM69. During this work theLeicester Forest East services would be closed, and possibly relocated.[30] Consultation took place in 2007.[31][32] As of May 2022[update], work on this scheme has still not begun.[33]
Following the report of a public inquiry in March 2013, the Secretary of State for Transport announced on 18 July 2013 that work to update theCatthorpe Interchange at junction 19, between the M1 motorway,M6 motorway andA14 road, close toCatthorpe,[34] would go ahead.[35] Work on the £191 million three-layer interchange started in January 2014.[36] The scheme was fully opened to traffic in December 2016.[37]
In conjunction with theM1 widening schemes and dualling of the A421 between M1 junction 13 and the A1 near St Neots, proposals were made to widen the A421 between the M1 junction 13 in Bedfordshire and the Kingston roundabout in Milton Keynes.[38] Exhibitions were held in June 2005 which rejected proposals to re-route the road in favour of widening the current road. In 2005, the project was given an estimated total cost of £33 million.[39]
Funding of £23.5 million was confirmed by the government for these works, as part of theSouth East Midlands Local Enterprise Partnership "Local Growth Deal".[40] As part of the government'spinch point reduction programme, work commenced in 2014 on the A421 in Milton Keynes to improve the Kingston roundabout, and dual the section from it to (near) the Bedfordshire border, with the construction of two new roundabouts on the route. The road corridor includes a separatecycleway.[41]
The upgrade work for this final phase of the plan, the section running from junction 13 toEagle Farm roundabout, started in September 2018 and was completed in December 2020.[41]
Work began on the 10-mile (16 km) section between theM25 and Luton (J6A-J10) in 2006 and opened in 2009, which included the construction of new parallelcollector-distributor lanes between junctions 7 and 8.
TheM10 spur was built as a motorway because it inevitably led to the M1, but as non-motorway traffic could now travel between the A414 at Hemel Hempstead and Park Street Roundabout without having to access the M1, the M10 was downgraded to anA road, and designated as part of theA414 to allow for this. The work also included widening or replacement of 11 underbridges on one or both carriageways, and replacing seven overbridges[42] at a total cost of £294 million.[43] Avariable mandatory speed limit system was installed, making this the firstsmart motorway scheme on the M1.
Work to introducedynamic hard shoulder running on approximately 15 miles (24 km) of motorway between Luton and Milton Keynes (J10-J13) was completed in December 2012, at a total cost of £327 million.[44] This made the hard shoulder available to be opened as a traffic lane where additional capacity was necessary. Modifications were made to junctions 11 and 12,[45] to allow for four lanes running through each junction, and theA421 from junction 13 to theBedford southern bypass was also upgraded to two lanes each way during this period.[46] The scheme will likely be converted toall lane running at some point in the 2020 decade, alongside all other dynamic hard shoulder running schemes. This was because a Government review into smart motorways found dynamic hard shoulder running was too confusing for drivers, leading to plans to convert all dynamic hard shoulders into permanent running lanes.[47]
Work to widen the 15-mile (24 km) section from Nottingham toMansfield (J25-J28) to four lanes each way began in October 2007 and was completed in May 2010, at a cost of £340 million.[48][49] A 50 mph limit, enforced byaverage speed cameras, was imposed for the period of construction, but it proved to be so effective that a permanent variable mandatory speed limit system was installed.[50] In 2023, following a previous debate on the issue, local MPsMark Fletcher andLee Anderson called on the government to upgrade junction 28, describing it as a "pinch point" disadvantaging local residents and businesses.[51][52]
National Highways converted the existing 23-mile (37 km) section of the M1 between Milton Keynes and Northampton (J13-J16) into an all-lane-running (ALR) smart motorway consisting of four lanes running in both directions without a hard shoulder, with the project's cost being £373 million. Construction began in January 2018, with the scheme opening in stages until 9 March 2023, when the project was fully complete.[53]
The speed limit between M1 junctions 33 to 34, near Rotherham, has been reduced to 60 mph, to reduce levels ofnitrogen dioxide. The plans were to be implemented before October 2020,[54][55] and as of August 2023[update] the speed limit reduction is still in place.
| County | Location | mile | km | Jct | Destinations (SB) | Destinations (NB) | Notes |
|---|---|---|---|---|---|---|---|
| Greater London | London Borough of Barnet | 7.0 | 11.3 | 1 |  A406 (North Circular) –Central London,Brent Cross,Wembley | Southern terminus 51°34′31″N0°14′05″W / 51.5752°N 0.2347°W /51.5752; -0.2347 (M1, Junction 1) | |
| 9.1 9.2 | 14.6 14.8 | 2 |  A1 toA406 clockwise (North Circular) –City of London,Holloway | No access | Southbound exit and northbound entrance 51°36′14″N0°14′23″W / 51.6040°N 0.2398°W /51.6040; -0.2398 (M1, Junction 2) | ||
| 12.0 | 19.3 | London Gateway services | 51°38′06″N0°15′58″W / 51.63513°N 0.2661°W /51.63513; -0.2661 (M1, London Gateway services) | ||||
| 13.2 13.5 | 21.3 21.8 | 4 |  A41 –Harrow,Edgware | No access | Southbound exit and northbound entrance 51°38′10″N0°18′17″W / 51.6361°N 0.3047°W /51.6361; -0.3047 (M1, Junction 4) | ||
| Hertfordshire | Bushey–Radlett boundary | 17.1 17.5 | 27.5 28.1 | 5 | A41 –Watford |  A41 toM25 anti-clockwise –Aylesbury,Watford | 51°40′18″N0°22′08″W / 51.6716°N 0.3689°W /51.6716; -0.3689 (M1, Junction 5) |
| Watford–Bricket Wood boundary | 19.7 20.0 | 31.7 32.2 | 6 |  A405 –North Watford | A405 toM25 –St Albans | 51°42′22″N0°22′54″W / 51.7060°N 0.3818°W /51.7060; -0.3818 (M1, Junction 6) | |
| St Stephen | 20.4 20.8 | 32.9 33.5 | 6A |  M25 toM11 /M20 –Stansted Airport,Dartford
| No access | Southbound exit and northbound entrance 51°43′06″N0°23′10″W / 51.7183°N 0.3861°W /51.7183; -0.3861 (M1, Junction 6a - M1-M25 interchange) | |
| St Michael | 22.5 22.7 | 36.2 36.6 | 7 |  A414 –St Albans,Hatfield | No access | Southbound exit and northbound entrance 51°44′57″N0°24′33″W / 51.7493°N 0.4093°W /51.7493; -0.4093 (M1, Junction 7) | |
| 23.5 23.8 | 37.8 38.3 | 8 | A414 –Hemel Hempstead | 51°45′25″N0°24′59″W / 51.7570°N 0.4164°W /51.7570; -0.4164 (M1, Junction 8) | |||
| Redbourn–Flamstead–Harpenden boundary | 27.9 28.3 | 44.9 45.6 | 9 |  A5183 –Redbourn | A5183 –St Albans | 51°49′12″N0°25′02″W / 51.8200°N 0.4171°W /51.8200; -0.4171 (M1, Junction 9) | |
| Bedfordshire | Slip End–Luton boundary | 30.3 30.6 | 48.8 49.2 | 10 |  A1081 –Luton,Luton Airport | 51°51′14″N0°25′23″W / 51.8540°N 0.4230°W /51.8540; -0.4230 (M1, Junction 10) | |
| Luton | 33.7 34.0 | 54.3 54.7 | 11 |  A505 –Luton,Dunstable | 51°53′37″N0°28′12″W / 51.8935°N 0.4699°W /51.8935; -0.4699 (M1, Junction 11) | ||
| Chalton | 11A |  A5 toA505 –Aylesbury,Dunstable | 51°55′18″N0°29′28″W / 51.9216°N 0.4912°W /51.9216; -0.4912 (M1, Junction 11A) | ||||
| Toddington | Toddington services | 51°56′52″N0°30′10″W / 51.9478°N 0.5028°W /51.9478; -0.5028 (M1, Toddington services) | |||||
| 38.5 38.9 | 62.0 62.6 | 12 |  A5120 –Flitwick | 51°57′27″N0°30′58″W / 51.9574°N 0.5161°W /51.9574; -0.5161 (M1, Junction 12) | |||
| Husborne Crawley–Brogborough boundary | 45.2 45.4 | 72.7 73.1 | 13 |  A421 –Bedford,Milton Keynes | 52°01′36″N0°36′13″W / 52.0266°N 0.6036°W /52.0266; -0.6036 (M1, Junction 13) | ||
| Buckinghamshire | Broughton–Moulsoe boundary | 49.7 50.2 | 80.0 80.8 | 14 |  A509 –Milton Keynes,Newport Pagnell | 52°03′32″N0°42′00″W / 52.0588°N 0.7001°W /52.0588; -0.7001 (M1, Junction 14) | |
| Newport Pagnell | 53.7 | 86.5 | Newport Pagnell services | 52°05′00″N0°44′55″W / 52.0833°N 0.7485°W /52.0833; -0.7485 (M1, Newport Pagnell services) | |||
| Northamptonshire | Grange Park | 61.8 62.3 | 99.4 100.2 | 15 |    A45 /A508 toA43 –Northampton,Wellingborough,Kettering, Rail Freight Terminal | 52°11′09″N0°53′42″W / 52.1859°N 0.8951°W /52.1859; -0.8951 (M1, Junction 15) | |
| Rothersthorpe | 64.3 64.9 | 103.5 104.5 | 15A |  A43 toM40 –OxfordNorthampton services | A43 toM40 –Oxford,Northampton Northampton services | 52°12′35″N0°56′40″W / 52.2096°N 0.9444°W /52.2096; -0.9444 (M1, Junction 15a) | |
| Upper Heyford | 67.9 68.3 | 109.2 109.9 | 16 |  A4500 –Northampton | A45 –Daventry | 52°13′49″N1°00′58″W / 52.2303°N 1.0160°W /52.2303; -1.0160 (M1, Junction 16) | |
| Watford | 75.1 | 120.8 | Watford Gap services | 52°18′25″N1°07′19″W / 52.3070°N 1.1220°W /52.3070; -1.1220 (M1, Watford Gap services) | |||
| Watford–Crick boundary | 76.6 76.9 | 123.3 123.8 | 17 | No access |  M45 –Coventry | Northbound exit and southbound entrance 52°19′28″N1°08′27″W / 52.3244°N 1.1407°W /52.3244; -1.1407 (M1, Junction 17) | |
| Crick | 78.5 78.9 | 126.3 126.9 | 18 |   A428 toA361 –Daventry,DIRFT | A5 toA428 –Hinckley,Rugby,DIRFT | 52°21′03″N1°09′17″W / 52.3509°N 1.1546°W /52.3509; -1.1546 (M1, Junction 18) | |
| Leicestershire | Swinford (Catthorpe Interchange) | 82.3 82.7 | 132.4 133.1 | 19 |  A14 –Felixstowe,Kettering |  M6 – The North West,Birmingham,Coventry | No access to M6 from southbound exit or to A14 from northbound exit 52°24′19″N1°10′37″W / 52.4052°N 1.1770°W /52.4052; -1.1770 (M1, Junction 19) |
| Lutterworth–Misterton with Walcote boundary | 85.5 86.1 | 137.6 138.5 | 20 |   A4303 toA426 –Lutterworth,Rugby |  A4303 /A4304 –Lutterworth,Market Harborough | 52°27′01″N1°11′29″W / 52.4502°N 1.1915°W /52.4502; -1.1915 (M1, Junction 20) | |
| Enderby–Lubbesthorpe–Braunstone Town boundary | 96.1 96.6 | 154.6 155.4 | 21 |   M69 /A5460 –Birmingham,Coventry,Leicester | M69 /A5460 –Coventry,Leicester | 52°36′01″N1°11′42″W / 52.6004°N 1.1950°W /52.6004; -1.1950 (M1, Junction 21) | |
| Leicester Forest East | 97.7 | 157.2 | Leicester Forest East services | 52°37′09″N1°12′21″W / 52.6192°N 1.2058°W /52.6192; -1.2058 (M1, Leicester Forest East services) | |||
| Kirby Muxloe | 99.3 99.5 | 159.8 160.1 | 21A | No access |  A46 –Leicester,Newark | Northbound exit and southbound entrance 52°38′09″N1°13′05″W / 52.6358°N 1.2180°W /52.6358; -1.2180 (M1, Junction 21a) | |
| Markfield | 104.3 104.7 | 167.8 168.5 | 22 |   A50 /A511 –Leicester,Coalville | A511 –Ashby,Coalville | 52°41′45″N1°17′33″W / 52.6959°N 1.2924°W /52.6959; -1.2924 (M1, Junction 22) | |
| Shepshed | 108.8 109.2 | 175.1 175.8 | 23 |  A512 –Loughborough,Shepshed | 52°45′37″N1°16′26″W / 52.7603°N 1.2739°W /52.7603; -1.2739 (M1, Junction 23) | ||
| Long Whatton and Diseworth | 113.4 113.6 | 182.5 182.8 | 23A |   A42 toM42 – The South West,Birmingham |  A453 –East Midlands AirportDonington Park services | No access to A42 from northbound exit and to A453 from southbound exit 52°49′09″N1°18′19″W / 52.8193°N 1.3054°W /52.8193; -1.3054 (M1, Junction 23a) | |
| Lockington-Hemington | 114.9 115.4 | 184.9 185.7 | 24 | A453 –Nottingham,East Midlands Airport Donington Park services | A50 /A453 –Stoke,Derby,Nottingham | 52°50′38″N1°17′45″W / 52.8440°N 1.2957°W /52.8440; -1.2957 (M1, Junction 24) | |
| 115.8 116.2 | 186.3 187.0 | 24A | A50 –Stoke,Derby | No access | No exit from northbound traffic (use Junction 24) 52°51′29″N1°18′04″W / 52.8580°N 1.3011°W /52.8580; -1.3011 (M1, Junction 24a) | ||
| Derbyshire | Sandiacre | 120.0 120.5 | 193.2 193.9 | 25 |  A52 –Nottingham,Derby | 52°54′57″N1°17′59″W / 52.9159°N 1.2997°W /52.9159; -1.2997 (M1, Junction 25) | |
| Nottinghamshire | Trowell | 124.1 | 199.8 | Trowell services | 52°57′44″N1°16′02″W / 52.9622°N 1.2673°W /52.9622; -1.2673 (M1, Trowell services) | ||
| Nuthall | 126.0 126.6 | 202.8 203.7 | 26 |  A610 –Nottingham | A610 –Nottingham,Ripley | 52°59′24″N1°14′05″W / 52.9899°N 1.2346°W /52.9899; -1.2346 (M1, Junction 26) | |
| Felley–Annesley boundary | 131.5 132.0 | 211.7 212.4 | 27 |  A608 –Heanor,Hucknall | A608 –Mansfield | 53°03′48″N1°16′09″W / 53.0634°N 1.2691°W /53.0634; -1.2691 (M1, Junction 27) | |
| Derbyshire | Pinxton–South Normanton boundary | 135.0 135.5 | 217.2 218.0 | 28 |   A38 toA615 –Derby,Matlock | A38 toA615 –Mansfield,Matlock | 53°06′05″N1°19′26″W / 53.1013°N 1.3240°W /53.1013; -1.3240 (M1, Junction 28) |
| Tibshelf | 138.3 | 222.5 | Tibshelf services | 53°08′19″N1°19′51″W / 53.1385°N 1.3309°W /53.1385; -1.3309 (M1, Tibshelf services) | |||
| Heath | 141.7 142.3 | 228.1 229.0 | 29 |   A617 toA632 –Mansfield,Matlock | A617 –Chesterfield | 53°11′52″N1°19′22″W / 53.1977°N 1.3229°W /53.1977; -1.3229 (M1, Junction 29) | |
| Duckmanton | 29A |  A6192 toA632 – Markham Vale,Bolsover | 53°14′47″N1°19′52″W / 53.2465°N 1.3311°W /53.2465; -1.3311 (M1, Junction 29a) | ||||
| Barlborough | 148.4 148.8 | 238.9 239.5 | 30 |   A616 toA619 –Newark,Chesterfield |  A6135 toA619 –Sheffield,Worksop | 53°17′11″N1°17′46″W / 53.2865°N 1.2960°W /53.2865; -1.2960 (M1, Junction 30) | |
| South Yorkshire | Woodall | 151.3 | 243.5 | Woodall services | 53°18′56″N1°16′56″W / 53.3155°N 1.2821°W /53.3155; -1.2821 (M1, Woodall services) | ||
| Aston–Todwick boundary | 153.8 154.2 | 247.5 248.2 | 31 |  A57 –Worksop | A57 –Sheffield,Rotherham | 53°21′44″N1°17′01″W / 53.3622°N 1.2835°W /53.3622; -1.2835 (M1, Junction 31) | |
| Thurcroft–Morthen boundary | 156.3 156.6 | 251.6 252.1 | 32 |  M18 – The North,Doncaster,Hull | M18 – The North,Doncaster,Hull,Rotherham | 53°23′30″N1°16′56″W / 53.3916°N 1.2823°W /53.3916; -1.2823 (M1, Junction 32 - M1-M18 interchange) | |
| Treeton–Brinsworth boundary | 158.8 159.2 | 255.6 256.2 | 33 |  A630 –Sheffield,Rotherham | 53°23′55″N1°20′59″W / 53.3985°N 1.3498°W /53.3985; -1.3498 (M1, Junction 33) | ||
| Sheffield | 161.5 161.7 | 259.9 260.3 | 34 |  A6109 –Sheffield,Rotherham,Meadowhall |  A6178 –Sheffield,Rotherham,Meadowhall | 53°25′03″N1°24′23″W / 53.4175°N 1.4063°W /53.4175; -1.4063 (M1, Junction 34) | |
| Sheffield–Thorpe Hesley boundary | 164.9 165.4 | 265.4 266.2 | 35 |  A629 –Rotherham | 53°27′21″N1°26′43″W / 53.4558°N 1.4454°W /53.4558; -1.4454 (M1, Junction 35) | ||
| Sheffield–Tankersley boundary | 166.7 166.9 | 268.2 268.6 | 35A | No access | A616 –Manchester | Northbound exit and southbound entrance 53°28′31″N1°27′32″W / 53.4753°N 1.4589°W /53.4753; -1.4589 (M1, Junction 35a) | |
| Tankersley–Hoyland–Birdwell boundary | 168.0 168.5 | 270.3 271.2 | 36 |  A61 –Sheffield,Barnsley | A61 –Barnsley | 53°29′47″N1°28′32″W / 53.4963°N 1.4755°W /53.4963; -1.4755 (M1, Junction 36) | |
| Dodworth–Barnsley boundary | 172.1 172.6 | 276.9 277.8 | 37 |  A628 –Manchester,Barnsley | 53°32′54″N1°30′57″W / 53.5482°N 1.5157°W /53.5482; -1.5157 (M1, Junction 37) | ||
| Haigh | 176.4 176.9 | 283.9 284.7 | 38 |  A637 –Huddersfield | 53°36′11″N1°33′03″W / 53.6030°N 1.5509°W /53.6030; -1.5509 (M1, Junction 38) | ||
| West Yorkshire | West Bretton–Woolley boundary | 178.5 | 287.2 | Woolley Edge services | 53°37′18″N1°32′54″W / 53.6216°N 1.5482°W /53.6216; -1.5482 (M1, Woolley Edge services) | ||
| Calder Grove–Durkar boundary | 179.9 180.4 | 289.5 290.4 | 39 |  A636 –Denby Dale | A636 –Wakefield | 53°39′02″N1°31′43″W / 53.6506°N 1.5287°W /53.6506; -1.5287 (M1, Junction 39) | |
| Ossett–Wakefield boundary | 182.6 183.0 | 293.8 294.5 | 40 |  A638 –Wakefield,Dewsbury | 53°41′01″N1°33′18″W / 53.6836°N 1.5551°W /53.6836; -1.5551 (M1, Junction 40) | ||
| East Ardsley | 185.1 185.6 | 297.9 298.7 | 41 |  A650 –Wakefield,Morley | A650 –Wakefield | 53°42′56″N1°32′07″W / 53.7156°N 1.5353°W /53.7156; -1.5353 (M1, Junction 41) | |
| Lofthouse–Robin Hood–Leeds boundary | 186.5 187.0 | 300.1 301.0 | 42 |  M62 west –Manchester,BradfordM62 east –Hull,Pontefract | M62 west –Manchester,Bradford,Leeds Bradford AirportM62 east –Hull | 53°43′51″N1°30′43″W / 53.7309°N 1.5120°W /53.7309; -1.5120 (M1, Junction 42 - M1-M62 interchange) | |
| Rothwell–Leeds boundary | 188.4 189.0 | 303.2 304.1 | 43 | No access |  M621 –Leeds | Northbound exit and southbound entrance 53°45′17″N1°30′53″W / 53.7546°N 1.5146°W /53.7546; -1.5146 (M1, Junction 43) | |
| 189.4 189.9 | 304.8 305.6 | 44 |  A639 toM621 –Leeds | A639 –Leeds | 53°45′45″N1°29′29″W / 53.7626°N 1.4914°W /53.7626; -1.4914 (M1, Junction 44) | ||
| Leeds | 190.8 191.2 | 307.1 307.7 | 45 |  A63 –LeedsSkelton Lake services | 53°46′34″N1°28′13″W / 53.7761°N 1.4704°W /53.7761; -1.4704 (M1, Junction 45) | ||
| Leeds–Garforth boundary | 193.7 194.0 | 311.7 312.2 | 46 |  A6120 –Leeds | A6120 /A63 –Leeds,Leeds Bradford Airport,Selby | 53°47′31″N1°25′35″W / 53.7920°N 1.4265°W /53.7920; -1.4265 (M1, Junction 46) | |
| Garforth | 196.6 197.0 | 316.4 317.1 | 47 |   A656 /A642 –Castleford,Garforth |  A642 toA1(M) –Garforth, The South | 53°48′20″N1°21′41″W / 53.8056°N 1.3615°W /53.8056; -1.3615 (M1, Junction 47) | |
| Micklefield–Lotherton cum Aberford boundary | 197.7 | 318.1 | - | A1(M) – The North,Wetherby | Northern terminus 53°49′18″N1°20′19″W / 53.8218°N 1.3387°W /53.8218; -1.3387 (M1, Northern terminus with A1(M)) | ||
Notes
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| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||||
Temporary cameras installed for widening road works between junctions 25 and 28 have proved so effective they will stay, it has been confirmed.
Eyewitnesses say the accident happened after a military transporter jack-knifed and scattered armoured vehicles across the carriageway
Geographic data related toM1 motorway atOpenStreetMap
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