Arrests per 100,000 residentsArizona Governor's Office of Highway Safety (GOHS) · Oct 12, 2026
Data & methodology
DUI arrest data
We are building a dataset from public county booking logs to measure how long processing takes, what bail looks like, and how timing affects outcomes. Figures that do not come from published records are labeled sample data.
01Charts and maps
Every chart, with its method
Each chart has a page with its data notes and the table behind it. Charts with published data name their source and date; the others are labeled sample data.
Embed galleryCharts
DUI Arrests by Time of Day in Chicago
Chicago's DUI arrests for each clock hour, weekdays against weekends.
Arrests per clock hour, ChicagoCity of Chicago open data portal, Chicago Police Department Arrests table (aggregated by the project; no row-level data was kept) · Oct 20, 2026
Median bail, first offenseSample data
Charts
The DUI Test Refusal Paradox
Four outcomes for people who took a breath or blood test and people who refused.
Processing time, took against refusedSample data
Typical cost, first offenseSample data
Charts
Arizona DUI Arrests Reported by Agencies
Arizona DUI arrests reported by agencies, by year, county and agency.
Reported arrests per yearArizona Governor's Office of Highway Safety (GOHS) · Oct 12, 2026
Show 4 more charts and mapsShow fewer
Charts
Texas DWI Charges Reported by Agencies
Texas DWI charges reported by agencies, by year, county and agency.
DWI charges per yearTexas Department of Public Safety, Crime Records Division · Oct 20, 2026
DWI arrests per yearTexas Department of Public Safety, Crime Records Division · Oct 20, 2026
Charts
What Happens to Texas DWI Charges
How Texas DWI charges end in court, and how much of the record is still missing.
Charges by outcomeTexas Department of Public Safety, Crime Records Division · Oct 20, 2026
Charts
New York Adult DWI Arrests by County
New York adult DWI arrests in every county, year by year.
New York State Division of Criminal Justice Services · Oct 20, 2026
Adult DWI arrests per year
County hotspot maps
Maps
Harris County, TX: DWI Arrest Hotspots
Where DUI arrests cluster in Harris County, TX, as 3D columns, heat, a grid or flows.
Areas about 3 km acrossSample data
Maps
Maricopa County, AZ: DUI Arrest Hotspots
Where DUI arrests cluster in Maricopa County, AZ, as 3D columns, heat, a grid or flows.
Areas about 3 km acrossSample data
Maps
Cook County, IL: DUI Arrest Hotspots
Where DUI arrests cluster in Cook County, IL, as 3D columns, heat, a grid or flows.
Areas about 3 km acrossSample data
02Pilot counties
Three counties to start
Sample estimatesIllustrative figures for high-volume DUI jurisdictions. Real data is in development.
Browse by stateTX
Harris County
- 3–7 hr (shortest) · 10–18 hr (longest)
- Typical bail: $2,000
- 12,393 DWI arrests in 2024 (state count)
Houston
TX
Dallas County
- 4–8 hr (shortest) · 11–20 hr (longest)
- Typical bail: $1,500
- 6,716 DWI arrests in 2024 (state count)
Dallas
TX
Tarrant County
- 3–7 hr (shortest) · 10–18 hr (longest)
- Typical bail: $1,500
- 5,274 DWI arrests in 2024 (state count)
Fort Worth
Show 15 more countiesShow fewer
AZ
Maricopa County
- 3–6 hr (shortest) · 8–16 hr (longest)
- Typical bail: $2,500
- ~22,000 DUI arrests/yr
Phoenix
IL
Cook County
- 5–10 hr (shortest) · 16–36 hr (longest)
- Typical bail: $3,000
- ~11,500 DUI arrests/yr
Chicago
OH
Franklin County
- 4–8 hr (shortest) · 12–22 hr (longest)
- Typical bail: $1,000
- ~4,600 OVI arrests/yr
Columbus
OH
Cuyahoga County
- 5–9 hr (shortest) · 12–22 hr (longest)
- Typical bail: $1,000
- ~3,900 OVI arrests/yr
Cleveland
OH
Hamilton County
- 3–7 hr (shortest) · 10–20 hr (longest)
- Typical bail: $750
- ~2,900 OVI arrests/yr
Cincinnati
CO
Denver County
- 4–8 hr (shortest) · 10–20 hr (longest)
- Typical bail: $1,500
- ~5,100 DUI arrests/yr
Denver
CO
El Paso County
- 3–7 hr (shortest) · 9–18 hr (longest)
- Typical bail: $1,000
- ~3,300 DUI arrests/yr
Colorado Springs
CO
Jefferson County
- 3–7 hr (shortest) · 9–18 hr (longest)
- Typical bail: $750
- ~2,500 DUI arrests/yr
Lakewood / Golden
NC
Mecklenburg County
- 4–8 hr (shortest) · 12–22 hr (longest)
- Typical bail: $1,000
- ~4,300 DWI arrests/yr
Charlotte
NC
Guilford County
- 3–7 hr (shortest) · 10–18 hr (longest)
- Typical bail: $500
- ~2,200 DWI arrests/yr
Greensboro
CA
Los Angeles County
- 4–9 hr (shortest) · 12–30 hr (longest)
- Typical bail: $5,000
- ~31,000 DUI arrests/yr
Los Angeles
FL
Miami-Dade County
- 3–8 hr (shortest) · 10–22 hr (longest)
- Typical bail: $1,000
- ~5,800 DUI arrests/yr
Miami
NY
New York County (Manhattan)
- 6–14 hr (shortest) · 18–48 hr (longest)
- Typical bail: $500
- 341 adult DWI arrests in 2025 (state count)
New York City
GA
Fulton County
- 4–9 hr (shortest) · 14–28 hr (longest)
- Typical bail: $2,000
- ~3,800 DUI arrests/yr
Atlanta
03Method
What we plan to collect, and how
None of this has started: the figures on the site are samples until records are collected and published.
Booking timestamps
We plan to extract arrest and release times from public inmate rosters to calculate processing duration by day of week, time of day, and offense.
Bail and bond data
Court records show the bail amount set and whether release was on cash bail or OR. We plan to use them to compute bail distributions by county.
Arrest circumstances
Where public records disclose them: BAC level, charge enhancement flags (child passenger, accident, high BAC), and arresting agency.
Planned sources
Harris County Sheriff inmate roster, Maricopa County 4th Avenue Jail booking data, and Cook County Sheriff inmate search — all publicly accessible without login. Collection has not started.
State law database
All 50 states — BAC limits, DMV deadlines, penalties, and IID requirements.