The A1198 is a road in Cambridgeshire

Cambridgeshire

Cambridgeshire is a county in England, bordering Lincolnshire to the north, Norfolk to the northeast, Suffolk to the east, Essex and Hertfordshire to the south, and Bedfordshire and Northamptonshire to the west...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, following the route of Ermine Street

Ermine Street

Ermine Street is the name of a major Roman road in England that ran from London to Lincoln and York . The Old English name was 'Earninga Straete' , named after a tribe called the Earningas, who inhabited a district later known as Armingford Hundred, around Arrington, Cambridgeshire and Royston,...

 between the A505

A505 road

The A505 is an A-class road in the United Kingdom. It follows part of the route of the Icknield Way and the corresponding Icknield Way Path.-Bedfordshire:...

 at Royston, Hertfordshire

Royston, Hertfordshire

Royston is a town and civil parish in the District of North Hertfordshire and county of Hertfordshire in England.It is situated on the Greenwich Meridian, which brushes the towns western boundary, and at the northernmost apex of the county on the same latitude of towns such as Milton Keynes and...

 and Godmanchester

Godmanchester

Godmanchester is a small town and civil parish within the Huntingdonshire district of Cambridgeshire, in England. It lies on the south bank of the River Great Ouse, south of the larger town of Huntingdon, and on the A14 road....

, near Huntingdon

Huntingdon

Huntingdon is a market town in Cambridgeshire, England. The town was chartered by King John in 1205. It is the traditional county town of Huntingdonshire, and is currently the seat of the Huntingdonshire district council. It is known as the birthplace in 1599 of Oliver Cromwell.-History:Huntingdon...

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This road was known as the A14 until the M11 motorway

M11 motorway

The M11 motorway in England is a major road running approximately north from the North Circular Road in South Woodford in north-east London to the A14, north-west of Cambridge.-Route:...

 was completed and traffic was encouraged to follow the new motorway and the former A604 (now A14 road) instead. Much of former A14 was renumbered as the A1198 at that time to discourage through traffic. Use of the short section of the route from Huntingdon to Alconbury was encouraged and retained the A14 designation for a short time being renumbered as a spur of the A604 (it has subsequently being renumbered as the A14 again along with the rest of the A604).