The Haudagain Roundabout is a roundabout

Roundabout

A roundabout is the name for a road junction in which traffic moves in one direction around a central island. The word dates from the early 20th century. Roundabouts are common in many countries around the world...

 in Aberdeen

Aberdeen

Aberdeen is Scotland's third most populous city, one of Scotland's 32 local government council areas and the United Kingdom's 25th most populous city, with an official population estimate of ....

 that bisects the A90

A90 road

The A90 road is a major north to south road in eastern Scotland, running from Edinburgh to Fraserburgh in Aberdeenshire.From Edinburgh, it travels west and over the Forth Road Bridge, before turning into the M90 motorway. At Perth, the M90 again becomes the A90, now running north east to Dundee...

 and A96

A96 road

The A96 is a major road in the North of Scotland.It runs generally west/north-west from Aberdeen, bypassing Kintore, Inverurie, Huntly and Forres, and running through Keith, Fochabers, Elgin and Nairn...

.

As all traffic going northbound to Inverness

Inverness

Inverness is a city in the Scottish Highlands. It is the administrative centre for the Highland council area, and is regarded as the capital of the Highlands of Scotland...

 via the A96 or southbound to Edinburgh

Edinburgh

Edinburgh is the capital city of Scotland, the second largest city in Scotland, and the eighth most populous in the United Kingdom. The City of Edinburgh Council governs one of Scotland's 32 local government council areas. The council area includes urban Edinburgh and a rural area...

 must pass through this roundabout it is a notoriously busy and hazardous junction with large queues approaching all directions to the roundabout, especially during rush hour

Rush hour

A rush hour or peak hour is a part of the day during which traffic congestion on roads and crowding on public transport is at its highest. Normally, this happens twice a day—once in the morning and once in the evening, the times during when the most people commute...

. It has been referred to as 'Scotland's worst roundabout'.

The construction of Aberdeen Western Peripheral Route

Aberdeen Western Peripheral Route

The Aberdeen Western Peripheral Route is a major infrastructure development proposed to take place on the outskirts of Aberdeen, in Aberdeenshire, Scotland. First announced in January 2003, the construction has not yet begun...

is aimed at reducing the congestion due to traffic passing through Aberdeen. In addition improvements are planned to help ease the congestion at the roundabout.