What are metropolitan areas?The six metropolitan counties in England were created in 1972. They are Greater Manchester, Merseyside, South Yorkshire, Tyne and Wear, West Midlands, and West Yorkshire. Greater London was created separately in 1965.
How was the data obtained for analysis here?By download from
https://data.gov.uk/dataset/road-accidents-safety-data on 15 November 2019.
How complete is the data?Almost all road deaths are reported, but some serious injuries are not reported and only a minority of slight injuries are reported - see the discussions in the annual DfT reports.
Where else is the data published?The DfT publishes data for each English highway authority in the spreadsheet file ras30043.ods which can be downloaded from the DfT website
https://www.gov.uk/government/statistical-data-sets/ras30-reported-casualties-in-road-accidents, or from
https://wacm.org.uk/files/ras30043.ods.
Where are the calculations in full?For spreadsheets with all the casualty numbers, rates and rankings, see
https://www.wacm.org.uk/files/police_and_ha_rankings.xls.
What population data was used?To calculate casualty rates per 100,000 population, population data from the Office for National Statistics was used. The data file was the mid-2013 population estimates, downloaded 22.1.2015:
https://www.wacm.org.uk/files/mye2_population_by_sex_and_age_for_local_authorities_uk.xlsAny "small print" stuff?- "Car occupant" includes car driver, car passenger, taxi/private hire car occupant, and minibus (8 - 16 passenger seats) occupant, in line with DfT practice.
- "Children" refers to the age range of 0 - 15 years, again in line with DfT practice.
- The London Metropolitan Police and City of London Police are here combined because of the very small population in the City of London.
- The population covered by Northumbria Police is not just Tyne and Wear (1.1 million) but also Northumberland (0.3 million).