Loading dataset
Back to data
Updated

5.4 kB across 1 part, newest sealed 22 September 2026 at 12:34 UTC.

The first build wrote 1 part and 48 rows.

ONE_ROW_PER_GROUP passed.

EVERY_GROUP_COUNTED passed.

SHARE_IS_A_SHARE passed.

BOTH_YEARS_PRESENT passed.

RATE_IS_PLAUSIBLE passed.

survey_year

integer

The year the travel survey ran and the crash file covers. 2022 is the most recent year both exist for.

Histogram: 2022 to 2022, 48
20222022
Valid
48 · 100%
Missing
0 · 0%
Distinct
1 · 2.1% of valid
Min
2022
25%
2022
Median
2022
75%
2022
Max
2022

sex

string

The driver's sex as each source recorded it: male, female, unknown, or the all drivers roll-up.

  • all drivers25%
  • female25%
  • male25%
Valid
48 · 100%
Missing
0 · 0%
Distinct
4 · 8.3% of valid

age_group

string

The driver's age band, or the all ages roll-up.

  • 16-198%
  • 20-248%
  • 25-298%
Valid
48 · 100%
Missing
0 · 0%
Distinct
12 · 25% of valid

drivers_in_fatal_crashes

integer

Drivers of a motor vehicle in transport who were involved in a fatal crash that year. A count of everyone, not a sample.

Histogram: 1 to 10052.166666666666, 44; 10052.166666666666 to 20103.333333333332, 2; 20103.333333333332 to 30154.5, 0; 30154.5 to 40205.666666666664, 0; 40205.666666666664 to 50256.83333333333, 1; 50256.83333333333 to 60308, 1
160308
Valid
48 · 100%
Missing
0 · 0%
Distinct
44 · 91.7% of valid
Min
1
25%
52
Median
1755
75%
5060
Max
60308

annual_vmt_miles

decimal

Vehicle miles this group drove in the year, estimated by weighting each surveyed trip to a year of national travel.

  • 0.0010%
  • 31094021.962%
  • 96323142.592%
  • Other (32)
Valid
48 · 100%
Missing
0 · 0%
Distinct
44 · 91.7% of valid
Min
0.00
25%
1368012835.53
Median
41977771617.68
75%
153733506837.74
Max
1848032107882.49

trips_sampled

integer

How many surveyed trips the mileage estimate rests on. A small number means a thin estimate.

Histogram: 0 to 3412, 43; 3412 to 6824, 2; 6824 to 10236, 1; 10236 to 13648, 1; 13648 to 17060, 0; 17060 to 20472, 1
020472
Valid
48 · 100%
Missing
0 · 0%
Distinct
43 · 89.6% of valid
Min
0
25%
10
Median
345
75%
1766
Max
20472

vmt_share

decimal

This group's share of all miles driven in the survey year, between 0 and 1. Multiply it by any national mileage total to rescale the rate.

  • 0.00000010%
  • 0.0000172%
  • 0.0000522%
  • Other (32)
Valid
48 · 100%
Missing
0 · 0%
Distinct
44 · 91.7% of valid
Min
0.000000
25%
0.000740
Median
0.022715
75%
0.083188
Max
1.000000

fatal_involvements_per_100m_vmt

decimal

Drivers involved in fatal crashes per 100 million vehicle miles this group drove. Empty where a rate would not be meaningful; rate_note says why.

  • 1.32893%
  • 1.50553%
  • 1.57673%
  • Other (18)
Valid
30 · 62.5%
Missing
18 · 37.5%
Distinct
30 · 100% of valid
Min
1.3289
25%
2.4775
Median
3.1803
75%
6.1277
Max
11.3193

rate_note

string

Empty when the rate is published, otherwise the reason it was withheld.

  • ""63%
  • the crash file and the survey do not report an unknown the same way, so these are not one population31%
  • fewer than 30 sampled trips, too thin to divide by6%
Valid
48 · 100%
Missing
0 · 0%
Distinct
3 · 6.3% of valid