The AWPR is scheduled for completion later this year, but the stretch has been close to 40 years in the making.
1980s: First calls for A90 Aberdeen to Peterhead road to be dualled.
June 2005: Then-transport minister Nicol Stephen gives offical approval for dualling of A90 between Balmedie and Tipperty at cost of £35m to be included in wider AWPR project
December 2006: Details of exact 28-mile route of bypass are published, pending a public inquiry
December 2007: Campaigners against the proposed Aberdeen bypass take fight to Holyrood
May 2008: Cost of the road estimated at £395m
September 2008: Public inquiry begins
December 2009: Bypass given the go-ahead as the Scottish Government approves the route
May 2010: Formal legal challenge launched by RoadSense group, which went all the way to the Supreme Court before being final rejection in October 2012
Autumn 2014: Contract awarded and work starts, with the project due for completion in spring 2018
May 2015: Contractors begin the long process of dualling the A90 with commuters facing long queues on the road.
January 2018: Construction firm Carillion – one of the three consortium partners building the road – collapses
March 2018: Scottish Government officially pushes back completion date to late autumn, blaming the weather, Storm Frank and Carillion’s liquidation
May 2018: Cock and Bull restaurant claims it is losing out on £500 a day due to lack of signage.
June 2018: The first four-mile stretch of road between Parkhill and Blackdog opens.
August 2018: The seven-and-a-half mile route will be fully open with campaigners still pushing for the road to be dualled as far as Peterhead and Fraserburgh.