Trunk A-road

A991 traffic and collisions

The A991 is a trunk A-road of 2.2 miles, in Dundee City. This page covers its traffic at 6 DfT count points since 2000 and the collisions police recorded on it.

Last updated
Records analysed
6 count points in 2025
Methodology
View methodology
  • Traffic in 2025 13m vehicle miles
  • Average daily traffic 15,587 vehicles a day, both directions
  • Busiest section 12,810 A85 to A923
  • HGV share 1.0% of vehicle miles
  • Traffic since 2019 −33.3% same count points

How busy is the A991?

On an average day in 2025, 15,587 vehicles passed each point on the A991, counting both directions.

Route

In Dundee City · 2.2 miles

Dundee City
Schematic route: each line joins the junctions at the ends of a DfT count point link.

A991 traffic and collisions by section

5 sections between junctions, in route order. Each is the average of its DfT count points, weighted by length. 1 short link roads and spurs (0.4 miles) count in the road’s totals but are not listed.

Sections Tap a column heading to sort
Sections of the A991 in route order, 2025 traffic
#
1Junction with A991 and Union Street (minor road) to Junction where A991, A92 and Commercial Street (minor road) joinDundee City0.312,7151.5%−50.7%
2A85 to A923Dundee City0.712,8100.8%−41.6%
3A991 to A929Dundee City0.325,8160.5%−14.9%
4A929 to A991Dundee City0.314,8211.2%−5.3%
5A929 to A92Dundee City0.219,8780.9%−5.8%

Vehicles a day is the average daily flow in 2025. “Since 2019” compares the same count points. Collisions are those with the A991 as the first road, placed on the nearest section by their recorded position; rates (per 100 million vehicle miles) are shown for sections of half a mile or more with 10 or more.

A991 traffic by vehicle type

Cars and taxis make up 84.4% of the vehicle miles on the A991. HGVs account for 1.0%.

Vehicle mix, 2025

Source:DfT,UK Motoring analysis 2000 to 2025 Updated

HGV share of traffic

HGVs as a share of vehicle miles on the A991, by year
Year HGV share
2000 1.9%
2001 1.9%
2002 1.8%
2003 1.9%
2004 2.1%
2005 2.2%
2006 1.8%
2007 2.3%
2008 2.3%
2009 2.1%
2010 2.0%
2011 1.7%
2012 1.6%
2013 1.6%
2014 1.6%
2015 1.6%
2016 1.6%
2017 1.9%
2018 1.7%
2019 2.0%
2020 1.3%
2021 1.1%
2022 1.1%
2023 1.1%
2024 1.1%
2025 1.0%

Source:DfT,UK Motoring analysis 2000 to 2025 Updated

A991 traffic trend

Traffic on the A991 came to 12.5 million vehicle miles in 2025. At the count points present in both years, it is down 33.3% on 2019, before the pandemic, and down 21.9% on 2015.

Vehicle miles a year

Like for like, traffic is up 4.5% on 2000.

Vehicle miles on the A991 each year, the whole road as it was that year
Year Vehicle miles
2000 7.5m
2001 7.5m
2002 7.6m
2003 7.5m
2004 7.6m
2005 7.4m
2006 7.7m
2007 9.5m
2008 9.4m
2009 10m
2010 10m
2011 9.9m
2012 9.8m
2013 9.7m
2014 9.9m
2015 9.9m
2016 10m
2017 13m
2018 15m
2019 19m
2020 11m
2021 11m
2022 12m
2023 12m
2024 13m
2025 13m

Source:DfT,UK Motoring analysis 2000 to 2025 Updated

Average daily flow

Average daily flow along the A991, weighted by link length, by year
Year Vehicles a day
2000 15,895
2001 15,840
2002 15,977
2003 15,778
2004 15,941
2005 15,533
2006 16,293
2007 20,118
2008 19,761
2009 21,307
2010 21,934
2011 20,799
2012 20,595
2013 20,543
2014 20,832
2015 20,823
2016 21,314
2017 21,999
2018 22,541
2019 23,364
2020 13,117
2021 14,050
2022 15,032
2023 15,300
2024 15,534
2025 15,587

Source:DfT,UK Motoring analysis 2000 to 2025 Updated

The chart counts the whole road as it was each year, so new or renumbered stretches move it. The percentage changes compare only count points present in both years. In 2025, 0 of the 6 count points were counted; DfT estimated the rest from earlier counts and local trends.

A991 collisions

Police recorded fewer than 3 collisions with the A991 as the first road from 2021 to 2025, 11 of them fatal or serious.

Reported collisions by year

Down 16.7% from 2021 to 2025.

Police-reported collisions on the A991 by year
Year Collisions Fatal or serious
2021 6 3
2022 fewer than 3 fewer than 3
2023 5 fewer than 3
2024 5 4
2025 5 fewer than 3

Source:DfT STATS19,UK Motoring analysis 2021 to 2025 Updated

A further 6 collisions were recorded at junctions where the A991 was the second road; they are not in the figures above. Fatal or serious uses DfT’s adjusted serious figures. How we count collisions

Council areas on the A991

In route order. Each is the highway authority DfT files the count points under.

  • Dundee City

Data sources and methodology

Datasets used on this page
Figures Source Period Records Updated
Traffic counts and vehicle mix Road traffic statistics (AADF by count point) Department for Transport
Derived statistics UK Motoring
2000 to 2025 6 count points in 2025 15 September 2026
Reported collisions Road safety open data (STATS19) Department for Transport
Derived statistics UK Motoring
2021 to 2025 23 reported collisions 15 September 2026
  • Annual average daily flow (AADF) is the average number of vehicles passing a point on a typical day of the year, both directions combined.
  • Vehicle miles are AADF multiplied by link length and 365, summed over every count point link on the road.
  • Sections join count point links between junctions, using the link lines in DfT’s major road database.
  • STATS19 covers personal injury collisions reported to the police. Damage-only collisions are not included, and not every injury collision is reported.
  • Serious and slight figures are DfT’s adjusted estimates, which allow for police forces moving to injury-based reporting.
  • Counts of one or two collisions below Great Britain level are shown as “fewer than 3”.

Contains public sector information licensed under the Open Government Licence v3.0.