Driving/Data

Fatality Risk

Distance (thousands of miles)	Fatalities per 1,000 miles
1	0.0126

Based on 2023 U.S. crash data: 1.26 fatalities per 100M miles → 0.0126 per 1,000 miles.

Injury (Serious) Risk

Distance (thousands of miles)	Serious injuries per 1,000 miles
1	0.75

Based on 2022 U.S. crash data: 75 injuries per 100M miles → 0.75 per 1,000 miles.

Time of Day (Modifier)

Time of day	Fatality risk multiplier	Injury risk multiplier
Day	1.0	1.0
Night	3.56	1.47

Seat-belt Usage (Modifier)

Seat-belt usage	Fatality risk multiplier	Injury risk multiplier
Worn (car)	1.0	1.0
Not worn (car)	1.82	2.0
Worn (SUV/van/truck)	1.0	1.0
Not worn (SUV/van/truck)	2.5	2.857

---

  RiskModel: Driving/Data:fatality_model
Calculation: fatalities_per_1000_miles * time_fatality_multiplier * belt_fatality_multiplier
    Content: 
Your estimated fatality risk per 1,000 miles is about {result}.

  RiskModel: Driving/Data:injury_model
Calculation: injuries_per_1000_miles * time_injury_multiplier * belt_injury_multiplier
    Content: 
Your estimated serious injury risk per 1,000 miles is about {result}.

Generated by ChatGPT-5