Compton

Speeding: Who, When, WhereRichard P. ComptonDirectorOffice of Research and TechnologyNational Highway Traffic Safety Administration: 

Speeding: Who, When, Where Richard P. Compton Director Office of Research and Technology National Highway Traffic Safety Administration June 15, 2005

Overview and Data Sources: 

Overview and Data Sources Speeding-Related Fatal Crashes Data: FARS 1983-2003 Analyses: Number, Percent, Rates Where, When, Who Self-Reported Attitudes and Behaviors Data: NHTSA Survey 2002

Definition: 

Definition NHTSA considers a crash to be speeding-related if: Driver charged with a speeding-related offense, or Officer indicated that racing, driving too fast for conditions, or exceeding the posted speed was a contributing factor in the crash

Facts: 

Facts Speeding is one of the most prevalent contributing factors to traffic crashes 12% of all Reported Crashes (2003) 31% of all Fatal Crashes (2003) 13,380 lives lost in speeding-related crashes (2003) $40.4 Billion per Year

Speeding-Related Fatalities (1983-2003): 

Speeding-Related Fatalities (1983-2003) Source: FARS Final 1983 – 2002, 2003 ARF

Speeding-Related Fatalities as Percent of Total Fatalities (1983-2003): 

Speeding-Related Fatalities as Percent of Total Fatalities (1983-2003) Source: FARS 1983 – 2003

Fatal Crashes by Speeding Status (1983 – 2003): 

Fatal Crashes by Speeding Status (1983 – 2003) FARS 1993- 2003

Speeding-Related Fatalities by Roadway Type (2003): 

Speeding-Related Fatalities by Roadway Type (2003) Source: FARS 2003

Speeding Fatality Rate by Roadway Type (2003): 

Speeding Fatality Rate by Roadway Type (2003) Source: FARS 2003

Speeding Drivers in Fatal Crashes by Age and Gender (2003): 

Speeding Drivers in Fatal Crashes by Age and Gender (2003) Source: FARS 2003

Percentage of Speeding Drivers by BAC Level (2003): 

Percentage of Speeding Drivers by BAC Level (2003) Source: FARS 2003

Percent BAC 0.08+ by Speeding and Age (2003): 

Percent BAC 0.08+ by Speeding and Age (2003) Source: FARS 2003

Drivers Alcohol Involvement, Speeding Status and Time of Day (2003): 

Drivers Alcohol Involvement, Speeding Status and Time of Day (2003) Source: FARS 2003

Percent Restraint Use by Speeding and Age (2003): 

Percent Restraint Use by Speeding and Age (2003) Source: FARS 2003

Percentage of Speeding Drivers by Roadway Alignment (2003): 

Percentage of Speeding Drivers by Roadway Alignment (2003) Source: FARS 2003

Speeding-Related Fatalities by Day of Week (2003): 

Speeding-Related Fatalities by Day of Week (2003) Source: FARS 2003

Percentage of Speeding Drivers by Day of Week (2003): 

Percentage of Speeding Drivers by Day of Week (2003) Source: FARS 2003

Percent Speeding Drivers by Time of Day (2003): 

Percent Speeding Drivers by Time of Day (2003) Source: FARS 2003

Percent Speeding by Vehicle Type (2003): 

Percent Speeding by Vehicle Type (2003) Source: FARS 2003

Trend in Percent Speeding by Vehicle Type (1983-2003): 

Trend in Percent Speeding by Vehicle Type (1983-2003)

Percent Speeding by Roadway Conditions (2003): 

Percent Speeding by Roadway Conditions (2003) Source: FARS 2003

Speeding-Related Fatalities by Speed Limit (2003): 

Speeding-Related Fatalities by Speed Limit (2003) Source: FARS 2003

Public Attitudes and Behaviors Regarding Speeding: 

Public Attitudes and Behaviors Regarding Speeding NHTSA conducted a study of the driving public’s attitudes and behaviors regarding speeding 1997 2002 Characteristics of drivers who speed and commit other unsafe driving actions

Purpose: 

Purpose Obtain public views on unsafe driving actions Covered attitudes toward speeding, unsafe and aggressive driving Conditions associated with speeding and unsafe driving Support for various different types of countermeasures

Approach: 

Approach Nationally representative telephone survey 4,010 drivers 16 years old and older February 4 – April 14, 2002

Self-Reported Speeding Behavior by Roadway Type: 

Self-Reported Speeding Behavior by Roadway Type QUESTION: When was the last time you drove over the speed limit on a: - Multi-lane interstate highway - Two-lane road - City,town or neighborhood street - Non-interstate multi-lane road RESPONSE: - Today - Within past week - With past month - Within past year - Never

Self-Reported Speeding Behavior by Roadway Type: 

Self-Reported Speeding Behavior by Roadway Type Source: National Survey 2002

Frequency and Type of Self-Reported Speeding Behavior: 

Frequency and Type of Self-Reported Speeding Behavior QUESTION: How often do you: - Drive 10 mph over the posted limit on an multi-lane interstate highway? - Drive 20 mph over the posted limit on an multi-lane interstate highway? - Drive 10 mph faster than most other vehicles? - Drive 20 mph faster than most other vehicles? RESPONSE: - Often - Sometimes - Occasionally - Rarely - Never

Frequency of Speeding Behaviors: 

Frequency of Speeding Behaviors 34% 12% 51% 10% Source: National Survey 2002

Frequency of Speeding Behaviors by Gender: 

Frequency of Speeding Behaviors by Gender Source: National Survey 2002

Frequency of Speeding Behaviors by Age: 

Frequency of Speeding Behaviors by Age Source: National Survey 2002

Frequency of Speeding Behaviors by Age: 

Frequency of Speeding Behaviors by Age Source: National Survey 2002

Threat of Others Speeding by Gender: 

Threat of Others Speeding by Gender QUESTION: In your opinion, how much of a threat is it to the personal safety of you and your family if other drivers are speeding? RRESPONSES: Major threat - Minor threat No threat

Threat of Others Speeding by Gender: 

Threat of Others Speeding by Gender 98% 97% 98% Source: National Survey 2002

Threat of Others Speeding by Age: 

Threat of Others Speeding by Age 98% 97% 98% 98% 98% Source: National Survey 2002

Summary: 

Summary Speeding-Related Fatal Crashes: Roadway Type: Arterial, Collector, Local Roadway Alignment: Curves Age: Young

Summary: 

Summary Gender: Male Alcohol: Increases with BAC Young males Late night Restraint Use: Low

Summary: 

Summary Day of Week: Weekends Time of Day: Late night Vehicle Type: Motorcycles Passenger cars

Summary: 

Summary Speed Limit: 50 mph and below Roadway Conditions: Icy, snow/slush, wet

Slide40: 

Questions?