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State Route 56
Fatal crashes 2015–2024 21Deaths 26Counties 2Latest data year 2024
FARS data are based on police crash reports and other sources; the drunk-driving measure is based on the highest BAC of any driver in the crash. Latest data year: 2024. The route is the trafficway recorded for each crash (FARS TWAY_ID); the same route number in another state has its own page.
State Route 56 in Hawaii was the trafficway in 21 fatal crashes between 2015 and 2024, in which 26 people died.
That is 2.2% of the 973 fatal crashes in Hawaii over the same years. The ten-year crash count fell 9% from 23 in 2005–2014 to 21 in 2015–2024.
The crashes were concentrated in Kauai County (20) and Honolulu County (1).
47.6% of the crashes had a driver reported as drinking (Hawaii: 32.1%) and 28.6% had a speeding-related driver (44.1%); pedestrians were 26.9% and motorcyclists 15.4% of those killed.
Fatal crashes per year
Route identification in FARS is consistent from 2000; earlier years are not shown. Shaded band: the ten-year window used for the shares below.
Compared with all fatal crashes in Hawaii
| Measure | State Route 56 | Hawaii |
|---|---|---|
| Fatal crashes, 2015–2024 | 21 | 973 |
| Deaths, 2015–2024 | 26 | 1,035 |
| Deaths per fatal crash | 1.2 | 1.1 |
| Share of state fatal crashes | 2.2% | 100% |
| Change vs previous ten years | -9% | -12% |
Factor shares
Counties along the route
| # | County | Fatal crashes on SR-56 | Share of route | County total, all roads |
|---|---|---|---|---|
| 1 | Kauai County | 20 | 95% | 56 |
| 2 | Honolulu County | 1 | 5% | 516 |
Hour of day
Share of fatal crashes on State Route 56 beginning in each hour, 2015–2024; tick marks the Hawaii share for all roads.
Where along the route
| Mile marker range | Fatal crashes | Share |
|---|---|---|
| Mile 5–10 | 8 | 38% |
| Mile 20–25 | 3 | 14% |
| Mile 25–30 | 3 | 14% |
| Mile 0–5 | 2 | 10% |
| Mile 10–15 | 2 | 10% |
| Mile 15–20 | 2 | 10% |
Five-mile bins by FARS milepoint, the six with the most fatal crashes; 95.2% of crashes on the route have a milepoint. Milepoints are as recorded by the state and can restart at county or district lines.
Other routes in Hawaii
- State Route 11 61
- State Route 93 55
- State Route 83 45
- State Route 19 44
- State Route 92 29
- State Route 72 27
- State Route 30 24
- State Route 190 20
All routes and counties in Hawaii
Questions and answers
How many fatal crashes have there been on State Route 56 in Hawaii?
21 fatal crashes with 26 deaths over 2015–2024, per NHTSA's FARS. The route is the trafficway recorded for the crash; the same numbered route in another state has its own page.
Which counties along State Route 56 had the most fatal crashes?
Kauai County (20) and Honolulu County (1).
What share of crashes on State Route 56 involved alcohol or speeding?
47.6% had a driver reported as drinking and 28.6% a speeding-related driver, against 32.1% and 44.1% for all fatal crashes in Hawaii.
When do fatal crashes happen on State Route 56?
66.7% of the crashes were between 6pm and 6am. The hour chart on this page shows the full distribution.
Provenance
Source: NHTSA Fatality Analysis Reporting System, annual national CSV files 2000–2024 (accident, vehicle and person tables), public domain. Route pages are built for signed Interstate, US and state routes with at least 20 fatal crashes in 2015–2024. Data through 31 Dec 2024; generated 30 Sep 2026. See methodology and corrections.