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From:  Peterborough (TF203024)
To:  Grimsby (TA272104)
Via:  Spalding, Boston, Louth
Distance:  82.8 miles (133.3 km)
Meets:  A47, A1175, A151, A17, A52, A158, A1028, A18, A46, A180
Highway Authorities

Lincolnshire  • North East Lincolnshire  • Peterborough

Traditional Counties

Lincolnshire • Northamptonshire

Route outline (key)
A16 Peterborough - Grimsby
A16 Stamford - Spalding
(spur re-numbered to A1175)
This article is about the current A16, which runs from Peterborough to Grimsby and replaced the original route.
For the original route of the A16 between Stamford and Spalding, see A16 (Stamford - Spalding)
This page may need updating or rewriting for the reason stated below. If you have the knowledge, please consider updating!
Need some stuff on the new route. Page needs some reordering and such like


The A16 is a major road running the length of Lincolnshire. For much of its life it began in Stamford, running towards Market Deeping and Spalding, crossing the East Coast Mainline at Tallington. Due to increasing HGV and local traffic, local lorry bans and level crossing delays, it was decided to change the route to make accessing Spalding easier for HGV traffic. This was changed, when the A1073 Crowland bypass was built in 2010. The last stretch from Dogsthorpe to Crowland finally opened in October 2011.

Section 1: Peterborough - Boston

The road starts on a roundabout with the A47 just east of its junction with the A15 and heads northeast, crossing the Carr Dyke (A Roman canal, and in parts, a scheduled ancient monument) by bridge (the opening of which was delayed by geological problems in the embankments) on a new build stretch of road through the Lincolnshire Fens, bypassing Crowland and Cowbit, before meeting the A1175 at the Spalding Bypass, where the A16 TOTSO's to follow the route of the Spalding bypass, which loops W and N of Spalding and Pinchbeck, heading NNW towards Boston. The route of the old A16 is now carved up into A1175, B1172 (Luck's Bridge-Spalding), B1356 (Spalding-Pinchbeck-Surfleet), A152 (Surfleet-Gosberton) and B1397 (Gosberton-Sutterton-Kirton-Wyberton-Boston). This is probably the longest stretch of railway to new road conversion in the country - it’s about 12 miles long. Eventually we reach Boston and the A52.

Section 2: Boston - Grimsby

Level crossing in Boston

The A16, multiplexed with the A52, goes over the River Witham and almost through the middle of Boston on a little bypass, called John Adam’s Way, that goes round the back of the market square and ‘The Green’. It’s dual carriageway, interrupted by several sets of traffic lights and usually occupied by a traffic jam. This is a constant surprise to Lincolnshire folk as we don’t do traffic jams anywhere else on this side of the county. The Green is a wonderful place to buy anything on market day, Wednesday. Then go and have a snack at the nearby Maud Foster Mill and buy some organically grown stone-ground flour. The A16 then turns right at the Bargate Roundabout to run on its original alignment for the first time and crosses the Maud Foster Drain (you want to know who Maud was?). At the edge of town the A52 heads east for Skegness and Mablethorpe while the A16 turns north at the mini roundabout of Burton Corner and past the Pilgrim Hospital. That’s Pilgrim as in Pilgrim Fathers who sailed from Boston. The hospital is the largest object in the fens and so can be seen from many miles around. The A16 crosses some of Britain's best farmland hereabouts, passing through Sibsey and Stickney which are not bypassed and used to wiggle through Stickford, which now is bypassed.

After Keal Cotes the Lincolnshire Wolds come into view and we soon climb the hill to East Keal. The A16 used to go straight to the centre of Spilsby and out after a sharp left and right but now goes straight on leaving Spilsby to the east. Downhill to Partney roundabout and we are crossed by the A158 taking holiday traffic to Skeg, but our road now heads north on a new straight line bypassing the double bends and tricky junction, joining the original line at the bottom of Dalby Hill. Up hill again to the top of the Wolds and Ulceby Cross. This is a roundabout with a filling station and small motel but has probably been a significant crossroads for ever. The Roman road from Lincoln to the sea at Wainfleet heads south-east from here as the A1028. The A1104 lies ahead (from which the famous A1111 branches at Alford) and to the north-west the Bluestone Heath Road, an ancient British trackway, winds its way along the ridges of the Wolds.

The A16 turns left at Ulceby Cross and heads for Louth. This road has broad sweeping curves, substantial but not excessive gradients and appears to some as the sort of road one can drive fast along. Several people who took this view ended up dead, particularly near Swaby, one of the most dangerous sections of Lincolnshire’s roads. Louth is bypassed to the west but well worth a visit. It’s a lovely little Georgian town. To the north, Fotherby was bypassed in 2002, whilst Utterby, to the bewilderment of Utterby folk, wasn’t, though Ludborough had been in the early 1990s. As the A16 approaches Grimsby it again occupies a former railway, the Louth to Grimsby line. This section, called Peaks Parkway, was opened in the late 1990s and made the railway restoration society very cross but has relieved a lot of congestion through Scartho and past the hospital. The A16 ends, as Victoria Street, just short of the docks at the roundabout that marks the start of the A180.

Original Author(s): Martyn


The A16 originally started on what was the A1 in Stamford at Red Lion Square.

A16 historic route from 1923 numbering

In Grimsby, it ran on what's now the A1243 and A1136.

The original A16 (before it had lots of bypasses built) had 16 mile stretches between all of its towns.



JunctionsBargate Roundabout • Burton Corner Roundabout • Elkington Roundabout • Keal Hill Junction • Liquorpond Street Roundabout • Lockhill Roundabout • Low Farm Roundabout • Partney Pumps Roundabout • Surfleet Roundabout • Sutterton Roundabout • Toll Bar Roundabout • Ulceby Cross • Welland Gate Roundabout • Welland Road Roundabout • Wothorpe Junction
CrossingsHaven Bridge (Boston) • Spalding Bypass Bridge
RoadsEuroVelo 12 • NCN1 • T23 (Britain) • T47 (Britain)
PlacesBoston • Grimsby • Louth (Lincolnshire) • Peterborough • Spalding • Stamford
MiscellaneousA16/Named Junctions
Related Pictures
View gallery (36)
A1175 sign 1.jpgA16 Boston White WigWags 3 - Coppermine - 11671.JPGA16 Legbourne Direction Sign - Coppermine - 15072.JPGA16 Portable Survey Camera - Coppermine - 15067.JPGA16 Roundabout from A157 - Geograph - 535316.jpg
Other nearby roads
PeterboroughA1(M) • A1073 • A1109 • A1119 • A1125 • A1127 • A1129 • A1139 • A1179 • A1260 • A15 • A47 • A605 • B1040 • B1091 • B1092 (Old Fletton) • B1092 (Stanground) • B1093 • B1095 • B1165 (Eye - Crowland) • B1167 • B1380 (Peterborough) • B1443 • B1524 • E15 • E31 (via Newcastle) • Ermine Street • Great North Road • M100 • T15 (Britain) • T1 (Britain) • T23 (Britain)
SpaldingA1073 • A1106 • A1175 • A151 • B1148 (Spalding) • B1165 • B1172 (Spalding) • B1173 • B1175 • B1178 (Spalding) • B1179 • B1180 • B1356 • B1357 • T23 (Britain)
BostonA1121 • A1137 • A1138 • A154 (Lincolnshire) • A52 • B1182 (Boston) • B1183 • B1360 (Boston) • B1371 • B1391 • B1393 (Boston) • B1397 • East Coast Motorway • EuroVelo 12 • NCN1 • T23 (Britain)
Louth (Lincolnshire)A1097 • A153 • A157 • A631 • B1196 • B1200 • B1520 • B1521 • T23 (Britain)
GrimsbyA1030 • A1031 • A1136 • A1243 (Grimsby) • A180 • A46 • B1203 • B1210 • B1212 • B1213 • B1214 • B1215 • B1361 (Immingham - Grimsby) • B1406 • B1444 • C417 (North East Lincolnshire) • C500 (North East Lincolnshire) • C501 (North East Lincolnshire) • C502 (North East Lincolnshire) • C503 (North East Lincolnshire) • C504 (North East Lincolnshire) • C505 (North East Lincolnshire) • C506 (North East Lincolnshire) • C507 (North East Lincolnshire) • C508 (North East Lincolnshire) • C509 (North East Lincolnshire) • E114 (Old System) • T22 (Britain) • T23 (Britain)
The First 99           A1  •  A2  •  A3  •  A4  •  A5  •  A6  •  A7  •  A8  •  A9  • A10 • A11 • A12 • A13 • A14 • A15 • A16 • A17 • A18 • A19
A20 • A21 • A22 • A23 • A24 • A25 • A26 • A27 • A28 • A29 • A30 • A31 • A32 • A33 • A34 • A35 • A36 • A37 • A38 • A39
A40 • A41 • A42 • A43 • A44 • A45 • A46 • A47 • A48 • A49 • A50 • A51 • A52 • A53 • A54 • A55 • A56 • A57 • A58 • A59
A60 • A61 • A62 • A63 • A64 • A65 • A66 • A67 • A68 • A69 • A70 • A71 • A72 • A73 • A74 • A75 • A76 • A77 • A78 • A79
A80 • A81 • A82 • A83 • A84 • A85 • A86 • A87 • A88 • A89 • A90 • A91 • A92 • A93 • A94 • A95 • A96 • A97 • A98 • A99
Motorway sectionsA1(M): (South Mimms - Baldock • Alconbury - Peterborough • Doncaster Bypass • Darrington - Leeming • Barton - Birtley)
A3(M) • A8(M) Baillieston spur • A14(M) • A38(M) • A48(M) Cardiff spur • A57(M) • A58(M) • A64(M) • A66(M) • A74(M) • A92(M)
DefunctA1(M) Newcastle CME • A2(M) Medway Towns Bypass • A4(M) • A5(M) • A8(M) Renfrew bypass • A14 • A18(M) • A20(M) • A36(M)
A40(M): (Westway • Denham -Stokenchurch) • A41(M) • A42 • A46(M) • A48(M): (Port Talbot bypass • Morriston bypass) • A62(M) • A88 • A99
UnbuiltA2(M) Rochester Way Relief Road • A6(M): (Western route • Eastern route) • A34(M) • A48(M) Llantrisant Radial • A59(M) • A61(M)