The A159 is a 16 mile-long single carriage

Single carriageway

A single carriageway is a road with 1, 2 or more lanes arranged within a single carriageway with no central reservation to separate opposing flows of traffic. Two-lane road or two-lane highway are single carriageway with one lane for each direction...

 A-road

Great Britain road numbering scheme

The Great Britain road numbering scheme is a numbering scheme used to classify and identify all roads in Great Britain. Each road is given a single letter, which represents the road's category, and a subsequent number, with a length of between 1 and 4 digits. Originally introduced to arrange...

, running between Scunthorpe

Scunthorpe

Scunthorpe is a town within North Lincolnshire, England. It is the administrative centre of the North Lincolnshire unitary authority, and had an estimated total resident population of 72,514 in 2010. A predominantly industrial town, Scunthorpe, the United Kingdom's largest steel processing centre,...

 and Gainsborough

Gainsborough, Lincolnshire

Gainsborough is a town 15 miles north-west of Lincoln on the River Trent within the West Lindsey district of Lincolnshire, England. At one time it served as an important port with trade downstream to Hull, and was the most inland in England, being more than 55 miles from the North...

 in Lincolnshire

Lincolnshire

Lincolnshire is a county in the east of England. It borders Norfolk to the south east, Cambridgeshire to the south, Rutland to the south west, Leicestershire and Nottinghamshire to the west, South Yorkshire to the north west, and the East Riding of Yorkshire to the north. It also borders...

.

Route (Scunthorpe-Gainsborough)

The A159 departs southwards from the A18 at the Queensway Roundabout in Scunthorpe. After approximately 1 miles (1.6 km), there are two Turn Off To Stay On (TOTSO) junctions in quick succession at Ashby Turn. The A159 then leaves Scunthorpe, through Bottesford and Messingham

Messingham

Messingham is a small village outside Scunthorpe in North Lincolnshire, England. Messingham has a population of over about 4,000 people.-Geography:...

.

Along its length between Scunthorpe and Gainsborough the A159 is variously named Messingham Road, Northfield Road, Scotter Road, Gainsborough Road, Leighton Road and Thonock Road. It passes through Bottesford, Messingham, Scotter

Scotter

Scotter is a large village and civil parish in West Lindsey, Lincolnshire, England, situated between Scunthorpe and Gainsborough.-Geography:The A159 road, which connects the two towns, crosses the River Eau in the village...

, Blyton

Blyton

Blyton is a village and civil parish within the West Lindsey district of Lincolnshire, England. It is north-east of Gainsborough. From Blyton the village of Laughton lies to the north, and Pilham to the south-east, while the course of the River Trent is nearby to the west.Blyton had a population...

, Wharton and Thonock

Thonock

Thonock is a small settlement about north of the town of Gainsborough, in the West Lindsey district of Lincolnshire, England.Thonock existed as a small village at the time of Domesday Book of 1086, when it consisted of five households....

.

As the A159 enters Gainsborough it passes the Queen Elizabeth's High School; it continues southbound through Gainsborough, passing Gainsborough Trinity F.C.

Gainsborough Trinity F.C.

Gainsborough Trinity Football Club are an English football club based in Gainsborough, Lincolnshire.Between 1896 and 1912 they were members of the Football League. They are currently in the Conference North, and play their home matches at The Northolme, which has a capacity of 4,304...

's football ground and terminating at a crossroads with the A631

A631 road

The A631 is a road running from Sheffield, South Yorkshire to Louth, Lincolnshire in England. It passes through the counties of South Yorkshire, Nottinghamshire and Lincolnshire. The road has many towns on its route including Rotherham, Maltby, Gainsborough and Market Rasen. It is mostly single...

 (Thorndike Way/The Flood Road) and the A156

A156 road

The A156 road runs from the A57 and heads north to Gainsborough. The road runs entirely within Lincolnshire right next to the border with Nottinghamshire. It is a single carriageway for its entire length. It is approximately long....

(Ashcroft Road).