Road Safety Data - Accidents 2018 — accidents • dsbox

Road accidents and their causes are of particular importance to road safety experts looking to prevent them.

accidents

Format

A tibble with 768 rows and 31 variables:

id: Accident ID
easting: Easting of accident location
northing: Northing of accident location
longitude: Longitude of accident location
latitude: Latitude of accident location
police_force: Police force
severity: Accident severity: Fatal, Serious, Slight
vehicles: Number of vehicles involved in accident
casualties: Number of people injured in the accident
date: Date of the accident
day_of_week: Day of the week of the accident
time: Time of the accident on the 24h clock
district: Local authority district
highway: Local authority highway
first_road_class: Class of 1st road involved in accident: Motorway, A(M) road (A-road with motorway restrictions), A-road, B-road, C-road, Unclassified
first_road_number: ID of 1st road (0 if unclassified)
road_type: Type of road: Roundabout, One way street, Dual carriageway, Single carriageway, Slip road
speed_limit: Speed limit on the road in mph
junction_detail: Detail on junction where accident occurred: Crossroads, Mini-roundabout, More than 4 arms, Not within 20 meters of junction, Other junction, Private drive or entrance, Roundabout, Slip road, T or staggered junction
junction_control: How junction was controlled: authorized person, Auto traffic signal, Give way or uncontrolled, Missing / Out of range, Stop sign
second_road_class: Class of 2st road involved in accident: A-road, B-road, C-road, Missing / Out of range, Motorway, Unclassified
second_road_number: ID of 2nd road (0 if unclassified)
ped_cross_human: Level of human control at a pedestrian crossing: Control by other authorized person, Control by school crossing patrol, None within 50 meters
ped_cross_physical: Level of facilities controlling a pedestrian crossing: Central refuge, No physical crossing facilities within 50 meters, Non-junction crossing (pelican, puffin, toucan or similar light crossing), Pedestrian phase at traffic signal junction, Zebra crossing
light: Light condition at the time of accident: Daylight, Darkness - lights lit, Darkness - lights unlit, Darkness - no lighting, Darkness - lighting unknown
weather: Weather condition at the time of accident: Fine + no high winds, Raining + no high winds, Snowing + no high winds, Fine + high winds, Raining + high winds, Snowing + high winds, Fog or mist, Other, Unknown
road_surface: Road surface conditions at the time of the accident: Dry, Wet or damp, Snow, Frost or ice, Flood over 3cm deep
special_condition: Special condition at the site of the accident: None, Road sign or marking defective or obscured, Roadworks, Road surface defective
hazard: Carriageway hazards: None, Other object on road, Previous accident, Pedestrian in carriageway - not injured
urban_rural: Type of area the accident occurred in: 1 - urban, 2 - rural
police: Did police officer attend the scene of the accident: No, No + accident self reported (using a self completion form), Yes

Source

https://roadtraffic.dft.gov.uk/custom-downloads/road-accidents

Details

The data come from the UK Government at roadtraffic.dft.gov.uk. It's been modified to better serve the goals of introductory data science education.

Examples


library(ggplot2)

ggplot(accidents, aes(x = speed_limit)) +
  geom_bar()