Currently, there are 52 file names to download/read data from.
Examples
find_file_name(2016)
#> [1] "dft-road-casualty-statistics-casualty-1979-latest-published-year.csv"
#> [2] "dft-road-casualty-statistics-vehicle-1979-latest-published-year.csv"
#> [3] "dft-road-casualty-statistics-collision-1979-latest-published-year.csv"
find_file_name(2016, type = "collision")
#> [1] "dft-road-casualty-statistics-collision-1979-latest-published-year.csv"
find_file_name(1985, type = "collision")
#> [1] "dft-road-casualty-statistics-collision-1979-latest-published-year.csv"
find_file_name(type = "cas")
#> [1] "dft-road-casualty-statistics-casualty-provisional-mid-year-unvalidated-2025.csv"
#> [2] "dft-road-casualty-statistics-casualty-2024.csv"
#> [3] "dft-road-casualty-statistics-casualty-2023.csv"
#> [4] "dft-road-casualty-statistics-casualty-2022.csv"
#> [5] "dft-road-casualty-statistics-casualty-2021.csv"
#> [6] "dft-road-casualty-statistics-casualty-2020.csv"
#> [7] "dft-road-casualty-statistics-casualty-2019.csv"
#> [8] "dft-road-casualty-statistics-casualties-adjustment-last-5-years.csv"
#> [9] "dft-road-casualty-statistics-casualty-adjustment-lookup_2004-latest-published-year.csv"
#> [10] "dft-road-casualty-statistics-casualty-1979-latest-published-year.csv"
#> [11] "dft-road-casualty-statistics-casualty-last-5-years.csv"
find_file_name(type = "collision")
#> [1] "dft-road-casualty-statistics-collision-provisional-mid-year-unvalidated-2025.csv"
#> [2] "dft-road-casualty-statistics-collision-2024.csv"
#> [3] "dft-road-casualty-statistics-collision-2023.csv"
#> [4] "dft-road-casualty-statistics-collision-2022.csv"
#> [5] "dft-road-casualty-statistics-collision-2021.csv"
#> [6] "dft-road-casualty-statistics-collision-2020.csv"
#> [7] "dft-road-casualty-statistics-collision-2019.csv"
#> [8] "dft-road-casualty-statistics-collision-adjustment-last-5-years.csv"
#> [9] "dft-road-casualty-statistics-collision-adjustment-lookup_2004-latest-published-year.csv"
#> [10] "dft-road-casualty-statistics-collision-1979-latest-published-year.csv"
#> [11] "dft-road-casualty-statistics-collision-last-5-years.csv"