Data dictionaries for Data Story 3
‘fars_accidents_2023_2024.csv’ has an official data dictionary called the FARS Analytical User’s Manual, 1975–2024
1. ‘state_master_2024.csv’
| ‘state’ |
State name |
| ‘population’ |
Residents, 2024 |
| ‘vmt_millions’ |
Total miles driven in the state in 2024, in millions . |
| ‘deaths’ |
People killed in motor vehicle crashes, 2024. |
| ‘ped_n’ |
Pedestrians among those killed. |
| ‘ped_pct’ |
Pedestrian share of all crash deaths (%). |
| ‘occupant_n’ |
Killed occupants of cars, pickups/SUVs, and large trucks (excludes motorcyclists, pedestrians, bicyclists). |
| ‘bac08_pct’ |
Share of fatally injured passenger-vehicle drivers with blood alcohol ≥ 0.08% (%, estimated). |
| ‘observed_belt_use_pct’ |
Daytime front-seat belt use observed in roadside surveys (%). |
| ‘unrestrained_pct_of_occ_deaths’ |
Share of killed occupants who were not wearing a belt (%). |
| ‘speeding_pct’ |
Share of crash deaths where speeding contributed (%). |
| ‘rural_death_pct’ |
Share of crash deaths that occurred on rural roads (%). |
| ‘belt_law’ |
Adult seat belt law: ‘primary’ (police may stop for belt alone), ‘secondary’ (ticket only during another stop), or ‘none’ |
| ‘ems_mean_min’ |
Mean EMS response time to fatal crashes, minutes |
| ‘ems_rural_min’ |
Mean EMS response time to fatal crashes, rural |
| ‘ems_urban_min’ |
Mean EMS response time to fatal crashes, urban. |
| ‘ems_pct_reported’ |
Share of the state’s fatal crashes with EMS times |
| ‘vmt_per_capita’ |
Miles driven per resident per year |
| ‘ped_deaths’ |
Pedestrian deaths per year |
2. ‘ems_response_by_state_2023_2024.csv’
| ‘state’ |
State name |
| ‘fatal_crashes’ |
Fatal crashes, 2023 and 2024 |
| ‘deaths’ |
Total crash fatalities |
| ‘pct_rural_crashes’ |
Share of the fatal crashes on rural roads (%) |
| ‘n_with_ems_times’ |
Fatal crashes with usable EMS notification and arrival times |
| ‘pct_with_ems_times’ |
Fatal crashes as a share of all the state’s fatal crashes (%) |
| ‘mean_response_min’ |
Mean EMS response time, minutes |
| ‘median_response_min’ |
Median EMS response time, minutes |
| ‘mean_response_rural_min’ |
Mean EMS response, rural |
| ‘mean_response_urban_min’ |
Mean EMS response, urban |