Merge pull request #20 from humaniverse/road-safety

First draft completed - road-safety

Author: MikeJohnPage

R/data.R

@@ -319,6 +319,22 @@
 #'
 "places_personal_crime"
 
+#' Road safety (2023)
+#'
+#' A dataset containing number of people killed or seriously injured in each
+#' Northern Irish Council Area in 2023 (latest available data).
+#'
+#' @format A data frame with 11 rows and 3 variables:
+#' \describe{
+#' \item{ltla24_code}{Local Authority Code}
+#' \item{road_accident_count}{Number of people killed or seriously injured, per Local Authority}
+#' \item{year}{Year}
+#'
+#' ...
+#' }
+#' @source \url{https://www.psni.police.uk/about-us/our-publications-and-reports/official-statistics/road-traffic-collision-statistics}
+"places_road_safety"
+
 #' Rate of Self-Harm Related Admissions per 100,000 (2018/19-2022/23)
 #'
 #' A dataset containing statistics on the rate of self-harm related admissions

data-raw/healthy-places/road-safety.R

@@ -0,0 +1,51 @@
+# ---- Load packages ----
+library(tidyverse)
+library(geographr)
+library(readxl)
+
+# ---- Get data and clean ----
+# LA Codes
+ltla_lookup <- lookup_ltla_ltla |>
+  filter(str_detect(ltla23_code, "N")) |>
+  select(ltla23_code, ltla23_name)
+
+# Road Safety Data
+# Source: https://www.psni.police.uk/about-us/our-publications-and-reports/official-statistics/road-traffic-collision-statistics
+
+url <- "https://www.psni.police.uk/sites/default/files/2024-03/2023%20Key%20Statistics%20tables.xlsx"
+temp_file <- tempfile(fileext = ".xlsx")
+download.file(url, temp_file, mode = "wb")
+
+road_safety_raw <- read_excel(temp_file, sheet = 6, skip = 5)
+
+road_safety <- road_safety_raw |>
+  select(
+    ltla23_name = `Area`,
+    accident_count = `Total...11`
+  ) |>
+  slice(1:11) |>
+  mutate(
+    ltla23_name = ltla23_name |>
+      str_replace_all("&", "and") |>
+      str_replace_all("Belfast City", "Belfast") |>
+      str_replace_all("Lisburn & Castlereagh City", "Lisburn and Castlereagh")
+  )
+
+# Join datasets
+places_road_safety <- ltla_lookup |>
+  left_join(road_safety, by = "ltla23_name") |>
+  mutate(
+    accident_count = case_when(
+      is.na(accident_count) & ltla23_code == "N09000007" ~ 615,
+      TRUE ~ accident_count
+    ),
+    year = "2023"
+  ) |>
+  select(
+    ltla24_code = ltla23_code,
+    road_accident_count = accident_count,
+    year
+  )
+
+# ---- Save output to data/ folder ----
+usethis::use_data(places_road_safety, overwrite = TRUE)

data/places_road_safety.rda

@@ -67,7 +67,7 @@
 | Healthy Places | Air Pollution | 2019 | [DEFRA](https://uk-air.defra.gov.uk/data/pcm-data) | [OGL3](https://www.gov.scot/crown-copyright/) | :heavy_check_mark: Indicator: Air pollution, population weighted annual mean PM2.5 | :heavy_check_mark: |
 | Healthy Places | Neighbourhood noise | 2017 | [NISRA](https://www.ninis2.nisra.gov.uk) | [OGL3](https://www.ninis2.nisra.gov.uk/public/terms.aspx) | :heavy_check_mark: | :heavy_check_mark: |
 | Healthy Places | Noise Complaints | 2024 | [DAERA](https://www.daera-ni.gov.uk/sites/default/files/publications/daera/Noise%20Complaint%20Statistics%20for%20NI%202023-24.PDF) | [OGL3](https://www.ninis2.nisra.gov.uk/public/terms.aspx) | :heavy_exclamation_mark: Raw data currently unavailable (only in a report). UPDATE: Now contacted  aeqteam@daera-ni.gov.uk and asked for raw data in Figure 1 of report (9.1.25) | :heavy_exclamation_mark: |
-| Healthy Places | Road Safety | :x: | :x: | :x: | :x: - data unavailable | :x: |
+| Healthy Places | Road Safety | 2023 | [PSNI](https://www.psni.police.uk/about-us/our-publications-and-reports/official-statistics/road-traffic-collision-statistics)| [OGL3](https://www.ninis2.nisra.gov.uk/public/terms.aspx) | :heavy_check_mark: Number of people seriously injured or killed by Local Authority area. | :heavy_check_mark: |
 | Healthy Places | Road Traffic Volume | :x: | :x: | :x: | :x: TO DO | :x: |
 | Healthy Places | Internet access | 2021/22 | [NISRA](https://data.nisra.gov.uk/) | [OGL3](https://www.ninis2.nisra.gov.uk/public/terms.aspx) | :heavy_check_mark: Indicator: Percentage of households without access to the internet at home. | :heavy_check_mark:|
 | Healthy Places | Transport noise: Daytime | 2017 | [NISRA](https://www.ninis2.nisra.gov.uk) | [OGL3](https://www.ninis2.nisra.gov.uk/public/terms.aspx) | :heavy_check_mark: - Separate data was not available for day & night, so just one metric has been used | :heavy_check_mark: |