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== Driving Risks Calculator ==
== Driving in the United States Risk Calculator ==
Driving involves inherent risks, including the potential for motor vehicle crashes that can result in fatalities, injuries, or property damage. This calculator estimates your crash risk based on key factors: distracted driving (e.g., cellphone use), speeding, and alcohol impairment. By selecting your driving behaviors, you can understand how these factors influence your likelihood of being involved in a crash.
 
The average adult in the US drives about 14,000 miles per year. But driving carries real risks of fatality and serious injury.
 
This calculator estimates expected risk over a year, assuming 14,000 miles of driving, under different scenarios: time of day, seat-belt use, alcohol impairment, distraction, and speeding. It is based on national crash data.


=== Your Inputs ===
=== Your Inputs ===
Select your driving behaviors to estimate your crash risk:


<DropDown title="Distracted Driving" table="distracted_driving">
Choose your driving conditions below:
* None: You are fully focused on driving.
 
* Cellphone Use: You are using a cellphone while driving.
<RiskParameter distance_miles=14000 />
* Other Distraction: You are engaged in other distracting activities (e.g., eating, adjusting radio).
</DropDown>


<DropDown title="Speeding" table="speeding">
Driving at night increases risk because more crashes happen in fewer miles: 
* Not Speeding: You drive at or below the speed limit.
<DropDown title="Time of Day" table="time_of_day" default-index=0></DropDown>
* Speeding: You drive above the speed limit or too fast for conditions.
</DropDown>


<DropDown title="Alcohol Impairment" table="alcohol_impairment">
Wearing a seat belt greatly reduces the risk of death or serious injury: 
* BAC < 0.08%: You have not consumed alcohol or your BAC is below the legal limit.
<DropDown title="Seat-belt Usage" table="seatbelt_use" default-index=0></DropDown>
* BAC ≥ 0.08%: Your blood alcohol content is at or above the legal limit.
 
</DropDown>
How often does the driver drive after drinking too much (frequency of impaired driving):
<DropDown title="Alcohol-impaired Driving Frequency" table="alcohol_frequency" default-index=0></DropDown>
 
How often does the driver interact with a phone (dialing/texting/etc.) while driving:
<DropDown title="Phone-based Distraction Frequency" table="distraction_frequency" default-index=0></DropDown>
 
Higher speeds increase both crash likelihood and severity:
<DropDown title="Speeding" table="speeding" default-index=0></DropDown>


=== Your Results ===
=== Your Results ===
<RiskDisplay model="crash_risk"></RiskDisplay>
 
 
<RiskDisplay model="any_crash_model"></RiskDisplay>
 
<RiskDisplay model="injury_model"></RiskDisplay> 
''Note: “Injuries” reflect police-reported injuries.''
 
<RiskDisplay model="fatality_model"></RiskDisplay>
 
----
 
See [[Driving/Data|the driving data page]] for all of the details on how these risks are calculated.
 
Generated by [https://openai.com/ ChatGPT-5]

Latest revision as of 22:49, 4 September 2025

Driving in the United States Risk Calculator

The average adult in the US drives about 14,000 miles per year. But driving carries real risks of fatality and serious injury.

This calculator estimates expected risk over a year, assuming 14,000 miles of driving, under different scenarios: time of day, seat-belt use, alcohol impairment, distraction, and speeding. It is based on national crash data.

Your Inputs

Choose your driving conditions below:

Driving at night increases risk because more crashes happen in fewer miles: [{"time_period":"Day","time_fatality_multiplier":"1.0","time_injury_multiplier":"1.0"},{"time_period":"Night","time_fatality_multiplier":"3.56","time_injury_multiplier":"1.47"}]

Wearing a seat belt greatly reduces the risk of death or serious injury: [{"belt_status":"Worn (car)","belt_fatality_multiplier":"1.0","belt_injury_multiplier":"1.0"},{"belt_status":"Not worn (car)","belt_fatality_multiplier":"1.82","belt_injury_multiplier":"2.0"},{"belt_status":"Worn (SUV\/van\/truck)","belt_fatality_multiplier":"1.0","belt_injury_multiplier":"1.0"},{"belt_status":"Not worn (SUV\/van\/truck)","belt_fatality_multiplier":"2.5","belt_injury_multiplier":"2.857"}]

How often does the driver drive after drinking too much (frequency of impaired driving): [{"alcohol_frequency_label":"Never","alcohol_frequency_share":"0"},{"alcohol_frequency_label":"A few times per year","alcohol_frequency_share":"0.001"},{"alcohol_frequency_label":"About once a month","alcohol_frequency_share":"0.005"},{"alcohol_frequency_label":"About once a week","alcohol_frequency_share":"0.02"},{"alcohol_frequency_label":"Several times a week","alcohol_frequency_share":"0.05"}]

How often does the driver interact with a phone (dialing/texting/etc.) while driving: [{"distraction_frequency_label":"None","distraction_frequency_share":"0"},{"distraction_frequency_label":"One interaction per trip","distraction_frequency_share":"0.005"},{"distraction_frequency_label":"Several interactions per trip","distraction_frequency_share":"0.02"},{"distraction_frequency_label":"Lots of interactions per trip","distraction_frequency_share":"0.05"}]

Higher speeds increase both crash likelihood and severity: [{"speeding_status":"At or below limit","speeding_multiplier":"1.0"},{"speeding_status":"Above limit","speeding_multiplier":"2.0"}]

Your Results

Your estimated chance of being in a police-reported crash is {{One_In_X|{result}}}.

Your estimated chance of being injured in a crash is {{One_In_X|{result}}}. Note: “Injuries” reflect police-reported injuries.

Your estimated chance of being in a fatal crash is {{One_In_X|{result}}}.

See the driving data page for all of the details on how these risks are calculated.

Generated by ChatGPT-5

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