## [1] "Updated on 2020-06-12 19:50:06"

Produced by WorldPop (www.worldpop.org) at the University of Southampton, UK

Reading Guide

Data

This report is based on mobility data produced for the Disease Prevention Maps tools by the Facebook Data for Good Program (https://dataforgood.fb.com/tools/disease-prevention-maps/), with access facilitated by the COVID-19 Mobility Data Network (https://www.covid19mobility.org/).

These data represent people who use Facebook in the UK and have location services enabled. Data are aggregated at a 600m x 600m sized tiles and vectors (lines) are drawn connecting all areas to each other. These lines provide data in both directions (going from area A to B and from area B to A) We are provided:

  1. The starting point of each line
  2. The ending point of each line
  3. The number of people who traveled along this line in both directions for the 45 days preceding the collection of the data (noted on the bottom of every set of figures)
  4. The number of people who traveled along this line in both directions for a given time period.
  5. The length of the line in Euclidean distance (as the crow flies, not through the existing travel network).
  6. Data are aggregated in 8 hour blocks, one of these blocks for the UK is from 2100 to 0500. We treat this as belonging to the date that 2100 is in.

Figures - UK Level

Percent Change in Travel Map - The percent change in travel within and between counties in the UK. It is important to note here that some counties show up in one map and not the other. As people stop moving, and especially if they don’t leave their homes, they no longer contribute to FB movement data so we are unable to capture any information from them.

Percent change in total number of trips compared to baseline - The total number of trips originating and ending in the region for which we have data, minus the average number of trips originating from the same area for the 45 days preceding the start of data collection.

Total distance travelled - The total distance of trips originating and ending in the region for which we have data.

Figures - County Level

Local Travel Network - A map of the region for which we have data showing the top locations of travel to and from that county.

Percent change in total number of trips compared to baseline - The total number of trips originating and ending in the region for which we have data minus the average number of trips originating from the same area for the 45 days preceding the start of data collection.

Total distance travelled - The total distance of trips originating and ending in the region for which we have data.

Pointers on evaluating the data

  • It’s best to look at percent change in trips and total distance traveled as two views of a “mobility” metric. For example, if the number of trips goes up but the total distance traveled goes down, it likely means that people are moving a bit more but mainly going shorter distances, perhaps even just exercising or walking around the neighborhood.
  • When looking at the travel network remember that people will live at the boundaries of the area of interest, therefore, it may just be short distance movements that are resulting in people traveling from one location to another. Long distance travel connections are more difficult to rationalize and warrant further investigation.
  • You’ll often see an uptick in movement and total distance travelled on the weekends. This is generally normal behavior, though deviation from this during lock down measures should be evaluated.
  • Keep an eye on the Y axis, it may be log scaled to better show the data. The labels are correct but rates of change are more extreme than they appear.

Key Takeaways

  • A general upward trend in movement is evident across many parts of the UK, but not all. There are some new travel patterns for the regions with most travel that should be evaluated to ensure that the networks make sense anf are expected.

UK Summary

City Specific Analysis

Most Travel


Manchester



Birmingham



Harrow and Hillingdon



Ealing



Redbridge and Waltham Forest



Hackney and Newham



Merton, Kingston upon Thames and Sutton



Tower Hamlets



Staffordshire CC



Wandsworth



Hounslow and Richmond upon Thames



Camden and City of London



Greater Manchester North East



Glasgow City



Lewisham and Southwark



Greater Manchester South East



Barking & Dagenham and Havering



Greater Manchester South West



Warwickshire



Brent



Hertfordshire



Leeds



Leicestershire CC and Rutland



Lambeth



Liverpool



Wolverhampton



South and West Derbyshire



South Nottinghamshire



East Merseyside



Kensington & Chelsea and Hammersmith & Fulham



Dudley



Tyneside



Nottingham



Greater Manchester North West



Bexley and Greenwich



South Hampshire



Bath and North East Somerset, North Somerset and South Gloucestershire



Enfield



Mid Lancashire



Haringey and Islington



West Surrey



Solihull



Berkshire



Bristol, City of



Barnet



Walsall



Bradford



Calderdale and Kirklees



Sandwell



Sheffield



Barnsley, Doncaster and Rotherham



Leicester



Sunderland



Stoke-on-Trent



Coventry



East Riding of Yorkshire



Wakefield



Central Hampshire



Devon CC


Medium Travel


North Lanarkshire



Durham CC



Kingston upon Hull, City of



South Teesside



East Surrey



Chorley and West Lancashire



Hartlepool and Stockton-on-Tees



Buckinghamshire CC



Bromley



Kent Thames Gateway



Cheshire East



Derby



North Nottinghamshire



Plymouth



Worcestershire



Southampton



Medway



East Derbyshire



Essex Thames Gateway



Croydon



South Lanarkshire



Central Bedfordshire



Cheshire West and Chester



Portsmouth



West Essex



North Hampshire



Belfast



East Lancashire



Inverclyde, East Renfrewshire and Renfrewshire



Gwent Valleys



Thurrock



Sefton



Cardiff and Vale of Glamorgan



West Northamptonshire



Cambridgeshire CC



Oxfordshire



Warrington



Wirral



Edinburgh, City of



Mid Kent



Blackpool



West Kent



Breckland and South Norfolk



Norwich and East Norfolk



Heart of Essex



Monmouthshire and Newport



Northumberland



Dorset CC



Blackburn with Darwen



Milton Keynes



North Yorkshire CC



Central Valleys



West Sussex (North East)



Flintshire and Wrexham



Bridgend and Neath Port Talbot



Peterborough



East Lothian and Midlothian



Suffolk



Lincolnshire


Least Travel


Shropshire CC