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The A46 is a major A road in England. It starts east of Bath, Somerset and ends in Cleethorpes, Lincolnshire, but it does not form a continuous route. Large portions of the old road have been lost, bypassed, or replaced by motorway development. Between Leicester and Lincoln the road follows the course of the Roman Fosse Way, but between Bath and Leicester, two cities also linked by the Fosse Way, it follows a more westerly course.
 | ||||
|---|---|---|---|---|
 | ||||
 A46 near Woolley and Swainswick | ||||
| Route information | ||||
| Length | 183.5 mi[1][2][3] (295.3 km) | |||
| History | Construction completed: Warwick and Kenilworth Bypass – 1974 Newark-On-Trent Relief Road – October 1990 Leicester Western Bypass – November 1995 Lincoln Relief Road – December 1985 Newark to Widmerpool dualling – June 2012 Alcester to Evesham dual carriageway – August 1995 | |||
| Major junctions | ||||
| From |  A4 in Bath (51.397°N 2.336°W) | |||
 M4 near Tormarton
 M1 near Leicester | ||||
| To |   A180 / A1098 in Cleethorpes (53.561°N 0.035°W) | |||
| Location | ||||
| Country | United Kingdom | |||
| Counties | Somerset, Gloucestershire, Worcestershire, Warwickshire, West Midlands, Leicestershire, Nottinghamshire, Lincolnshire | |||
| Primary destinations | Stroud, Cheltenham, Leamington Spa, Coventry, Leicester, Newark-on-Trent, Lincoln | |||
| Road network | ||||
| ||||
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The original (1923) route of the A46 was from Bath to Laceby, passing through Cheltenham, Broadway, Stratford-on-Avon, Coventry, Leicester, Newark and Lincoln. Unusually for such a long road, no changes were made to its route until the 1970s. In recent years the central sections of the road have been rerouted and renumbered substantially, and there are now two sections where there are gaps of over 10 miles (16 km) where the road does not exist at all. The A46 has also been extended from Laceby to Grimsby and Cleethorpes – the road between Laceby and Grimsby was originally part of the A18.
The major realignments have been
- Between Coventry and Leicester the original road was downgraded to the B4065 and the B4114 as a result of the opening of the M69 motorway in 1977.[4]
- Between Cheltenham and Stratford-on-Avon the road was realigned in the 1980s through Evesham on the former route of the A435 and A439. The original route through some of the most picturesque parts of the Cotswold Hills was downgraded to the B4632.[5]
- The route was subsequently cut between Cheltenham and Teddington and that section became the A435 again. The A46 was diverted to connect with the M5 motorway on part of the former route of the A438.
- Between Evesham and north of Stratford the route was again realigned to run by Alcester and by-pass Stratford, partly on the former line of the A422. The previous route through Bidford-on-Avon to Stratford became the B439,[6] and north of Stratford the old route became the A439.[7]
- A new alignment was built from Junction 21a of the M1 to by-pass Leicester to the north. The old route through Leicester was redesignated the A5460 (Narborough Road, in the southwest) and A607 (Belgrave Road/Melton Road, in the northeast). The A607 deviates from the straight course of the Fosse Way, bypassing the village centres of Thurmaston and Syston.
- The A46 was realigned to by-pass Warwick, Kenilworth and Coventry, and the old route was redesignated the A429[8] and the A4600.[9] It opened in June 1974.[10]
Bypasses were also built around Market Rasen, Lincoln and Newark.
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Cleethorpes – A1 (Newark)
The A46 starts at Isaac's Hill roundabout with the A1098 and the A180.[11] It meets the A1031 at a roundabout and passes the King George V Stadium on the right. It meets the B1213 from the right, then crosses the A16 Peaks Parkway where it gains primary status. It heads into Grimsby, meeting the A1243 Bargate (former A16). It meets the B1444 where the road becomes a dual carriageway. It meets the A18 at a roundabout. This was the old terminus of the A46, and what is now the A46 heading east into Grimsby used to be the A18. The road becomes the single carriageway road once again and runs alongside the north part of the Lincolnshire Wolds. It bypasses Irby upon Humber and enters the East Midlands. It bypasses Swallow to the North. It climbs a hill to meet the B1225, A1173, and A1084 just east of Caistor. The road crosses the Nottingham – Grimsby railway at a level crossing.[12] The road becomes very straight and flat, passing through Middle Rasen Plantation and meets the A1103 from the right. The A631 leaves to the right at a T junction. The road bypasses Dunholme to the south then it passes close to the former RAF Dunholme Lodge.[13] It passes the headquarters for Lincolnshire Police on the left.[14] It meets the A158 (for Skegness) and the B1182 (former route into Lincoln) at a roundabout.
The A46 Lincoln Relief Road is coincident with the A15.[15] The A15 leaves to the right at a roundabout. The road becomes dual carriageway and traverses the Lincoln Cliff. It meets the A57 at the Carholme roundabout and crosses the Lincoln – Gainsborough railway. After bypassing Lincoln, it starts following the route of the old Fosse Way (bar bypasses). The A46 passes the former airfield of RAF Swinderby. The road becomes the boundary of Lincolnshire and Nottinghamshire for 1 mile (1.6 km). The road enters Nottinghamshire and the road bypasses Brough. The new section of road finishes at the roundabout with the A1133.[16] The A17 joins from the left at a roundabout.
A1 (Newark) – M1 (Leicester)
The road crosses the A1. Newark is bypassed to the North and West ending on a roundabout with the B6166. The road continues south-west, meeting the A6097 and A52 near Bingham. The single carriageway section between Newark and the Widmerpool A606 junction was replaced by a new dual carriageway road which was completed in April 2012.[17] Heading South from the A606 junction, the existing dual carriageway still following the route of the Fosse Way. The road crosses the A6006 North of Six Hills. Syston is bypassed to the West, and at a roundabout with the A607 the route continues in a Westerly direction onto the Leicester Western Bypass. There are grade separated junctions with the A6, A5630 and A50.[18] This section of the road ends at a junction with the B5380, with the forward route flowing on to the M1. It originally continued towards Coventry until the opening of the M69 motorway in the 1970s, which replaced the A46 as the main route between Leicester and Coventry, with the former A46 being downgraded.
M6 (Coventry) – M5 (Tewkesbury)
The A46 reappears at Coventry at junction 2 of the M6, it follows the boundary between the district of Rugby and the borough of Coventry, always staying inside Warwickshire. At Binley Woods the A428 is crossed at a roundabout. The next roundabout is the signal controlled Tollbar Roundabout, where there are exits for the A45 and Coventry Airport. There is a break in the road here, and it resumes again at Festival Island where it takes the southern exit on to the three-lane Kenilworth bypass. Along the bypass there are exits for Stoneleigh and the University of Warwick, Kenilworth and Leamington Spa (A452). At the Warwick (A429) exit, the bypass drops down to two lanes, closely followed by an exit for the A4177 and Warwick Parkway railway station. The M40 is passed over west of Longbridge roundabout, as a new bypass now brings the mainline carriageway away from Junction 15, the A46 meets a small roundabout, connecting with the B4463 and a link to Junction 15 for northbound A46 traffic to access the M40 and A429 respectively.
The 3-mile (4.8 km) dual carriageway section south of the improved Longbridge island is the only part of the A46 on its original routing between Leicester and Cheltenham. Stratford is bypassed to the north as a single carriageway road, crossing the A3400 and meeting the A422. Between here and Alcester the A46 is coincident with the A422, with the A46 taking priority. Alcester is bypassed to the south of the town. At a roundabout the A435 leaves to the North for Redditch and Birmingham. The A46 takes a dual carriageway route to the south towards Evesham, meeting the B439 at a roundabout near Bidford on Avon. Almost immediately after the roundabout, the road enters Worcestershire and Wychavon district, then goes back into Warwickshire, before going back into Worcestershire Near Harvington. At the northern end of the Evesham bypass, the A44 joins at a roundabout and becomes coincident with the A46. The next roundabout on the bypass is the B4035, followed by the A44 (for Oxford), The final roundabout on the bypass is with the A4184 and the A46 continues to head south. The villages of Sedgeberrow (bypassed) and Beckford are on the route. At the Teddington Hands roundabout, the A435 heads south to Cheltenham, while the A46 heads west. It passes Ashchurch close to Ashchurch for Tewkesbury railway station. This section of the A46 ends on the M5 roundabout at junction 9.
Cheltenham – Bath
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After a gap filled in by the A435, the A46 reappears on its original route in the centre of Cheltenham. It then heads through Brockworth, Stroud, through Nailsworth, to the M4 motorway, where since 2003 access to the roundabout has been controlled by traffic lights. From the M4, the A46 heads to Bath, ending at its junction with the A4 to the east of the city. From here a continuous route to Poole and Southampton is possible via the A36 and A350 roads.
The 3-mile (4.8 km) £45 million dual-carriageway Batheaston/Swainswick Bypass, opened in summer 1996, contains 1-mile (1.6 km) of the A46.[19][20] In February 1994, a camp was set up on Solsbury Hill, to protest the Batheaston bypass, however this was ultimately unsuccessful and construction was completed by November 1995.[21][22]
A small section of the A46 between Painswick and Stroud subsided during the floods on Friday 29 July 2007 and was shut for over 6 months, causing quite an impact on the local area. The road re-opened on 15 February 2008.[citation needed]
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 | This article may be confusing or unclear to readers. In particular, there needs to be some distinction which destinations are north bound and which are south bound, having a list of destinations does not mean that they can be got to from both directions, probably need splitting into 2 colums 1 for each direction. (September 2024) |
First segment
| County | Location | mi[1] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Somerset | Bath | 0.0 | 0.0 |   A4 / A36 / A363 – Bath, Chippenham, Warminster, Bradford-on-Avon | Southern terminus |
| Gloucestershire | Cold Ashton | 4.3 | 6.9 |  A420 – Bristol, Chippenham, Warmley, Bridgeyate, Wick, Marshfield | |
| Tormarton | 7.8– 8.0 | 12.6– 12.9 |   M4 to M32 / M5 – Wales, The South West, The Midlands, Bristol, London, Swindon | The Midlands signed northbound only; M4 junction 18 | |
| Sodbury | 9.9 | 15.9 |  A432 west (Badminton Road) / B4040 – Chipping Sodbury, Yate, Malmesbury, Old Sodbury, Acton Turville, Badminton, Castle Combe | Castle Combe signed southbound only; eastern terminus of A432 | |
| Hawkesbury | 13.7 | 22.0 |  A433 north-east – Cirencester | South-western terminus of A433 | |
| Kingscote | 20.0 | 32.2 |  A4135 – Dursley, Tetbury, Kingscote, Wotton-under-Edge, Beverston | ||
| Rodborough | 26.4 | 42.5 |  Dudbridge Road to A419 / M5 – Stonehouse, Cainscross, Dudbridge, Gloucester, Cheltenham | No access from A46 south to Dudbridge Road | |
| Stroud | 27.2 | 43.8 | A419 south-east (Dr. Newton's Way) – Town centre, Cirencester, Chalford, Brimscombe | Brimscombe signed southbound only; southern terminus of A419 concurrency | |
| A419 north-west / Rowcroft to M5 – Bristol, Cainscross, Ebley, Stonehouse, Gloucester, Cheltenham | Cainscross, Ebley and Stonehouse signed northbound only, Gloucester and Cheltenham southbound only; northern terminus of A419 concurrency | ||||
| 27.7 | 44.6 |  Stratford Road (A4171 west) to A419 / A38 – Dursley, Cainscross, Stonehouse | Stonehouse signed southbound only; eastern terminus of A4171 | ||
| Pitchcombe | 29.1 | 46.8 |  A4173 north – Edge, Gloucester | Southern terminus of A4173 | |
| Badgeworth | 36.4 | 58.6 |  A417 to M5 – Gloucester, Cirencester, Birdlip | Junction on A417 | |
| Cheltenham | 40.4– 40.5 | 65.0– 65.2 |    A40 / M5 / A435 / A4019 – Tewkesbury, Gloucester, Oxford, Cirencester, Charlton Kings | ||
| 40.8– 42.1 | 65.7– 67.8 | Promenade (A4015 south) to M5 / A40 – Gloucester, Oxford, Stroud A4019 north-west (St Margaret's Road) – Tewkesbury A435 north (Evesham Road) – Evesham, Winchcombe, Broadway A435 south (London Road) to A40 – Cirencester, Oxford | Northern terminus; northern terminus of A4015; eastern terminus of A4019 | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
Second segment
| County | Location | mi[2] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Gloucestershire | Northway–Ashchurch boundary | 0.0 | 0.0 |  M5 to M50 – The South West, The Midlands, South Wales, Gloucester, Worcester A438 west (Ashchurch Road) – Tewkesbury | Southern terminus |
| Teddington | 3.1 | 5.0 | A435 south / B4077 / Crashmore Lane – Cheltenham, Stow, Teddington, Bishop's Cleeve, Alderton, Toddington, Winchcombe | Northern terminus of A435 | |
| Worcestershire | Evesham | 9.9 | 15.9 |  A4184 north (Cheltenham Road) to B4084 – Evesham, Pershore | To B4084 signed northbound only; southern terminus of A4184 |
| 11.4 | 18.3 |  A44 east / Broadway Road – Oxford, Evesham, Broadway | Broadway signed southbound only; southern terminus of A44 concurrency | ||
| 13.7 | 22.0 | A44 west to A4184 – Worcester, Evesham, Norton, Harvington, Lenchwick | To A4184 and Lenchwick signed southbound only, Harvington signed northbound only; northern terminus of A44 concurrency | ||
| Warwickshire | Alcester | 21.3 | 34.3 |   A435 north / A422 west to M42 – The North, Birmingham, Redditch, Worcester, Alcester, Arrow, Studley | The North signed southbound only; southern terminus of A422 concurrency; southern terminus of A435 |
| Stratford-upon-Avon | 26.8 | 43.1 | A422 east (Alcester Road) – Stratford | Stratford signed southbound only; northern terminus of A422 concurrency | |
| 28.1 | 45.2 |  A3400 (Birmingham Road) – Henley-in-Arden, Stratford, Wilmcote | |||
| Snitterfield | 32.1 | 51.7 |  A439 south-west – Stratford, Hampton Lucy | Destinations signed northbound only; north-eastern terminus of A439 | |
| Shelbourne | 33.9 | 54.6 |   B4463 / Stratford Road / M40 / A429 – Leamington, Cirencester, Warwick, Henley-in-Arden, Norton Lindsey | Leamington signed northbound only | |
| Begin freeway | |||||
| Budbrooke–Warwick boundary | 34.9 | 56.2 | A429 to M40 south – The South, Banbury, Cirencester, Warwick | Southbound exit and northbound entrance | |
| Leek Wooton and Guy's Cliffe–Budbrooke–Warwick boundary | 36.0– 36.3 | 57.9– 58.4 |   A4177 north / A425 south-east – Solihull, Warwick | Southern terminus of A4177; north-western terminus of A425 | |
| Leek Wootton and Guy's Cliffe | 38.0– 38.4 | 61.2– 61.8 | A429 south – Warwick, Leek Wottton B4115 – Leek Wootton, Hill Wootton | B4115 and Hill Wootton signed northbound only, A429 and Warwick southbound only; southern terminus of A429 concurrency | |
| Leek Wootton and Guy's Cliffe–Ashow boundary | 39.6– 40.1 | 63.7– 64.5 |  A452 (A429 north) – Leamington, Kenilworth | Northern terminus of A429 concurrency | |
| Stoneleigh | 42.0– 42.4 | 67.6– 68.2 | Stoneleigh | ||
| Warwickshire–West Midlands boundary | Baginton–Coventry boundary | 43.8– 44.5 | 70.5– 71.6 |  A45 west to M42 – Birmingham, Coventry (S & W), Canley, Earlsdon, Finham, Baginton  A444 north to A4114 – Coventry, Whitley | Canley, Earlsdon and Baginton signed northbound only, Whitley southbound only; southern terminus of A45 concurrency; southern terminus of A444 |
| West Midlands | Coventry | 44.7– 45.0 | 71.9– 72.4 | Coventry Airport | Grade-separated junction; no northbound exit |
| West Midlands–Warwickshire boundary | Coventry–Brandon and Bretford boundary | 45.2– 45.9 | 72.7– 73.9 |   A45 east / B4110 to M45 / M1 south / A4071 – Rugby, Coventry Airport, Willenhall, Baginton, Ryton | Grade–separated junction; B4110 and Willenhall signed northbound only, Baginton and Ryton southbound only; northern terminus of A45 concurrency |
| Warwickshire | Binley Woods | 47.3– 47.8 | 76.1– 76.9 |  A428 – Rugby, Coventry (E & C) | Grade–separated junction |
| Ansty | 50.0– 50.7 | 80.5– 81.6 |  M69 north-east to M1 – Hinckley, Leicester, The North East  M6 to M1 / A14 – The North West, Birmingham, London, Kettering, Rugby A4600 south-west / B4065 (Hinckley Road) – Walsgrave, Ansty | Northern terminus; south-western terminus of M69; north-eastern terminus of A4600; M6 junction 2 | |
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
| |||||
Third segment
| County | Location | mi[3] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Leicestershire | Kirby Muxloe–Glenfield boundary | 0.0 | 0.0 | M1 south to M69 – London B5380 – Braunstone Firth, Kirby Muxloe | Southern terminus; M1 north junction 21A |
| Groby | 1.1– 1.5 | 1.8– 2.4 |  A50 to M1 north – Leicester, Coalville, Groby, Glenfield | ||
| Anstey | 1.9– 2.5 | 3.1– 4.0 |  A5630 south-east – Beaumont Leys, Anstey | North-western terminus of A5630 | |
| Wanlip | 5.3– 5.7 | 8.5– 9.2 |  A6 – Leicester, Loughborough, Wanlip, Birstall, Rothley | Wanlip signed northbound only, Birstall and Rothley southbound only | |
| 6.0 | 9.7 | Wanlip | Southbound exit and northbound entrance | ||
| Syston | 6.8 | 10.9 |  A607 south / Martin Drive – Leicester, Thurmaston, Syston | Roundabout; southern terminus of A607 concurrency | |
| Cossington–Ratcliffe on the Wreake boundary | 7.7– 8.4 | 12.4– 13.5 | A607 north – Melton Mowbray, Cossington, East Goscote | Northern terminus of A607 concurrency | |
| Ratcliffe on the Wreake | 8.6– 8.9 | 13.8– 14.3 | Ratcliffe on the Wreake, Sileby | ||
| Thrussington–Burton on the Wolds boundary | 12.9– 13.1 | 20.8– 21.1 | B676 – Burton on the Wolds, Ragdale, Barrow upon Soar, Seagrave, Loughborough, Melton Mowbray | Loughboro' and Melton signed northbound only, Barrow and Seagrave southbound only | |
| Broughton and Old Dalby–Wymeswold boundary | 14.0– 14.3 | 22.5– 23.0 |   A6006 – East Midlands Airport, Rempstone, Melton Mowbray, Wymeswold, Asfordby | Airport signed northbound only | |
| Nottinghamshire | Willoughby on the Wolds–Upper Broughton boundary | 15.8 | 25.4 | Upper Broughton, Willoughby | |
| Widmerpool–Hickling–Kinoulton boundary | 17.8– 18.4 | 28.6– 29.6 |  A606 – Nottingham, Melton Mowbray, Kinoulton | Kinoulton signed northbound only | |
| Stanton-on-the-Wolds–Kinoulton boundary | 19.0 | 30.6 | Kinoulton | ||
| Owthorpe–Cotgrave boundary | 21.2 | 34.1 | Harby, Colston Bassett, Cotgrave, Owthorpe | Cotgrave signed northbound only | |
| Cotgrave | 22.3– 23.0 | 35.9– 37.0 | Cropwell Bishop, Cropwell Butler, Cotgrave | Butler signed northbound only, Cotgrave southbound only | |
| Cropwell Butler–Saxondale boundary | 24.7– 25.5 | 39.8– 41.0 |   A52 to M1 north / A1 – The South, Grantham, Nottingham, East Midlands Airport | ||
| Newton–East Bridgford boundary | 26.3– 27.0 | 42.3– 43.5 |  A6097 north – Mansfield, East Bridgford, Bingham | No southbound exit; southern terminus of A6097 | |
| East Bridgford | 28.1 | 45.2 | To A6097 north – Mansfield, East Bridgford, Bingham | Southbound exit only | |
| Kneeton–Screveton boundary | 29.2– 29.4 | 47.0– 47.3 | Kneeton | ||
| Flintham | 30.8– 30.9 | 49.6– 49.7 | Sibthorpe, Flintham, Syerston | Syerston signed northbound only | |
| Elston | 32.1 | 51.7 | Thorpe, East Stoke, Elston, Syerston | Syerston signed southbound only | |
| Farndon | 35.2 | 56.6 | End expressway | ||
| Newark-on-Trent | 37.0 | 59.5 |    A617 west (Kelham Road) / A616 north-west (Great North Road) / B6326 to A612 – Mansfield, Ollerton, Newark, Kelham, Southwell | Eastern terminus of A617; south-eastern terminus of A616 | |
| Newark–Winthorpe boundary | 38.7– 39.0 | 62.3– 62.8 |  A1 to A57 – Doncaster, Sheffield, Grantham A17 east – Sleaford, Nottinghamshire | Coddington signed northbound only; western terminus of A17 | |
| Winthorpe–Langford boundary | 39.7 | 63.9 |  A1133 north – Gainsborough, Collingham, Winthorpe | Collingham and Winthorpe signed northbound only; southern terminus of A1133 | |
| Brough | 40.4– 41.8 | 65.0– 67.3 | Stapleford, Brough, Carlton-le-Moorland, Norton Disney | Grade-separated junction; Norton Disney signed northbound only | |
| Lincolnshire | Thorpe on the Hill–Aubourn with Haddington boundary | 46.9 | 75.5 | Aubourn, Haddington, Thorpe on the Hill | Grade-separated junction |
| Thorpe on the Hill–South Hykeham boundary | 47.8 | 76.9 |  A1434 north-east (Newark Road) / Middle Lane – Lincoln South, Thorpe on the Hill, North Hykeham, South Hykeham | Thorpe signed northbound only; south-western terminus of A1434 | |
| Lincoln | 53.3 | 85.8 |  A57 (Saxilby Road) to A156 – Worksop, Gainsborough, Lincoln Central, Burton, Saxilby | ||
| 55.0 | 88.5 |    A15 north / B1226 (Riseholme Road) to M180 / A18 – Humber Bridge, Scunthorpe, Immingham, Lincoln (Ermine), Hull | B1226, To A18, and Hull signed southbound only; southern terminus of A15 concurrency | ||
| 56.1 | 90.3 |  A15 south / Lincoln Road to A158 – Skegness, Sleaford, Lincoln | Northern terminus of A15 concurrency | ||
| Middle Rasen | 68.1 | 109.6 |  A631 west (Gainsborough Road) – Gainsborough, West Rasen, Glentham, Caenby Corner, Scunthorpe | West Rasen, Glentham and Caenby Corner signed northbound only, Scunthorpe southbound only; southern terminus of A631 concurrency | |
| 68.9 | 110.9 | A631 east to B1202 (Gainsborough Road) – Market Rasen, Louth, Wragby | Louth signed northbound only, To B1202 and Wragby southbound only; northern terminus of A631 concurrency | ||
| Osgodby | 71.3 | 114.7 |  A1103 west (Top Road) to Gipsy Lane / A631 – Gainsborough, Glentham, Walesby, Caenby Corner | Eastern terminus of A1103 | |
| Caistor–Cabourne boundary | 78.2 | 125.9 |   A1173 north (Riby Road) to A1084 – Immingham, Brigg, Humber Bridge, Caistor, Great Limber, Kirmington, Stallingborough | Humber Bridge signed northbound only, Caistor southbound only; southern terminus of A1173 | |
| Laceby | 84.1 | 135.3 |  A18 (Barton Street) to M180 / A15 / A16 – Humber Bridge, Boston, Skegness, Brigg, Humberside Airport, Louth, Waltham, Barnoldby | ||
| Grimsby | 88.1 | 141.8 |  A1243 south (Scartho Road) to A16 – Louth, Skegness, Boston, Waltham | A1243 signed southbound only; southern terminus of A1243 concurrency | |
| 88.3 | 142.1 | A1243 north (Bargate) to M180 / A180 – Town centre, Immingham, Humber Bridge | Only A1243 and Town centre signed northbound; northern terminus of A1243 concurrency | ||
| 88.9 | 143.1 | A16 (Peaks Parkway) to M180 / A180 – Humber Bridge, Immingham, Boston, Skegness, Louth, Town centre | To A180 and town centre signed southbound only | ||
| Grimsby–Cleethorpes boundary | 89.8 | 144.5 |  A1031 south (Humberston Road) – Humberston, Mablethorpe | Mablethorpe signed southbound only; northern terminus of A1031 | |
| Cleethorpes | 90.7 | 146.0 | A180 west (Grimsby Road) / A1098 south (Isaac's Hill) / Prince's Road to M180 / A15 – Town centre, Humber Bridge, Grimsby | Northern terminus; eastern terminus of A180; northern terminus of A1098 | |
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
| |||||
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Bypasses and realignments
- Irby upon Humber (Bypassed, now Old Main Road)
- Swallow (Bypassed, now Caistor-Grimsby Road)
- Lincoln (Bypassed, now A1434)
- Newark (Bypassed, now B6166)
- Syston (Bypassed, now unclassified)
- Leicester (Bypassed, now A607 and A5460)
- Coventry (Bypassed; northern section A4600; southern section now A429 [pre-1974 route],
or A444 and A4114 [1974 — 1989 route]) - Kenilworth and Warwick (Bypassed, now A429)
- Stratford (Bypassed, now A439 and B439)
Downgrading
- Leicester – Coventry (Downgraded to B4114 upon opening of the M69)
- Stratford – Cheltenham (Downgraded to B4632 upon diversion of route via Alcester and Evesham)
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- The M40 Longbridge Island bypass, a dual carriageway road which bypassed the M40 Junction 15 interchange, opened in December 2009, providing much needed relief for the junction.[23]
- The Newark to Widmerpool Improvement is now complete and provides a new high quality grade-separated dual-carriageway which closes the gap in the corridor. Spring 2012 saw peripheral works progress and the entire project was completed by Summer 2012.[24]
- The A45/A46 Tollbar End improvement is now complete and provides a grade separated junction, as well as improvements to the Stonebridge Highway.[25] The project was open to traffic in December 2016.
- The A46/A428 Binley Junction Upgrade will provided a grade separated junction.
- The junction with Lincoln Road near Welton was replaced with a three-armed roundabout, primarily to reduce its high accident rate. Work was completed in June 2021.[26]
Proposed
- The Sub-national Transport Body Midlands Connect prioritised the upgrading of the A46 in the Midlands Connect Strategy, published in March 2017, including a strategic study for a potential expressway route between the M5 and M40. In July 2018, Midlands Connect released "Our Routes to Growth" in which it described the first stage of its A46 corridor study, referring to the road as a "national and international economic driver that connects the East and West Midlands to the South West and the North. Investing in infrastructure improvements along this route will create a resilient alternative to the existing motorway network for businesses and freight traffic."[27] It reiterated the development a business case for upgrades to the A46 from the M40 to Syston and a strategic study for making the A46 an expressway between the M5 and M40. The first stage of this A46 study will be released before the end of 2018, with the second stage examining specific sections for more detailed development of possible improvements.
Upcoming
- Newark Bypass – will upgrade road to dual carriageway. Scheme expected to be completed by 2030.[28]
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