Maryland Older Driver Crashes, 2007-2011 Timot othy hy Kerns ns, MS Cindy y Burch ch, MPH Epidemiologist Epidemiologist tkerns@som.umaryland.edu cburch@som.umaryland.edu
Available Injury Data Sources in Maryland Police Crash Ambulance Driver Reports & EMS Logs Citations MVA Licensing ED Data Motorcycle Safety Hospital Records Vital Statistics Autopsy Statewide Records Toxicology Trauma Registry
Maryland Crash Data 2007 – 2011 • Statewide Older Driver Crash Summary • Older Driver crash & injury characteristics • CIREN Case Review
Statewide Older Driver Crash Summary, 2007-2011
Licensed Drivers by Age- Percentage of Change 2000-2012 123 135 115 84 95 75 54 54 55 % 37 27 35 19 16 11 2 15 -5 -11 -11 -25
Percentage of Increase/Decrease of Total Crashes by Age from 2009 to 2011 45 33 35 25 10 7 7 15 4 3 2 % 5 -5 -1 -6 -15 -13 -16 -25 Driver's Age
Statewide Crash Summary, 2007 - 2011 Crash Involvement Rate per 10,000 Licensed Drivers by Driver Age and Year, 2007-2011 Statewide Older Drivers (65+) Younger Drivers (16-20) 900.0 839.8 800.0 700.0 636.3 600.0 500.0 400.0 258.0 300.0 197.3 220.4 200.0 175.3 100.0 0.0 2007 2008 2009 2010 2011 Older Drivers have the lowest crash involvement rate per 10,000 licensed drivers.
Statewide Crash Summary, 2007 - 2011 Injury Crash Involvement Rate per 10,000 Licensed Drivers by Driver Age and Year, 2007-2011 Statewide Older Drivers (65+) Younger Drivers (16-20) 350.0 325.3 300.0 250.0 250.4 200.0 150.0 89.1 100.0 86.3 74.5 73.0 50.0 0.0 2007 2008 2009 2010 2011 The Older Driver injury crash involvement rate is almost the same as the statewide rate.
Statewide Crash Summary, 2007 - 2011 Fatal Crash Involvement Rate per 10,000 Licensed Drivers by Driver Age and Year, 2007-2011 Statewide Older Drivers (65+) Younger Drivers (16-20) 5.0 4.5 4.3 4.0 3.5 3.1 3.0 2.5 2.0 1.5 1.2 1.4 1.4 1.1 1.0 0.5 0.0 2007 2008 2009 2010 2011 The Younger Driver fatal crash involvement rate has declined over the past 5 years.
Statewide Older Driver Crash Summary, 2007 - 2011 2007 & 2011 Comparison of Older Driver Crashes Total Crashes Total Injury Crashes Total Fatal Crashes 2007 7,357 4,448 71 2011 4,917 4,244 72 % Change - 33.2% - 4.6% + 1.4% (Approx.)
Statewide Older Driver Crash Summary, 2007 - 2011 Average Crash Type Percentages by Age, 2007-2011 All Crash Types Older Driver Crash Types (N=78,016) (N=8,483) Opposite Direction Opposite Direction 3% 10% Rear End 4% 1% 8% Rear End 3% Left Turn Left Turn 9% 24% 28% Sideswipe Sideswipe 4% 18% Angle Angle 5% Parked Vehicle Parked Vehicle 4% 5% Pedestrian/Pedalcycle Pedestrian/Pedalcycle 22% 8% 10% Fixed Object Fixed Object 12% 13% 9% Run Off Road Run Off Road Other Other
Statewide Older Driver Crash Summary, 2011 Percentage of Drivers Reported At-Fault by Age Group, 2011 N=12,399 N=31,077 N=49,653 N=21,976 N=6,283 N=2,775 N=896
Driver Impaired as a Contributing Factor of Crash by Age, 2009-2011 10 8 7 8 5 5 5 6 4 % 3 4 2 2 2 2 2 0
Aggressive Driver as a Contributing Factor of Crash by Age, 2009-2011 8 6 5 6 4 4 4 3 3 3 3 3 3 4 % 2 0
Speeding as a Contributing Factor of Crash by Age, 2009-2011 25 20 20 16 12 15 9 % 8 7 6 6 10 6 6 5 5 0
Inattentive Driver as a Contributing Factor of Crash by Age, 2009-2011 49 49 50 43 42 42 45 37 40 36 34 % 35 31 31 30 30 25
Total Crashes v. Reported At Fault by Age, 2009-2011 At Fault Total Crashes 70 100,000 % of Drivers Reported At Fault 75,000 60 Total Crashes 50,000 50 25,000 40 0 16-20 21-24 25-34 35-44 45-54 55-64 65-69 70-74 75-79 80-89 90-100
Intersection Type by At-Fault Driver's Age, 2009-2011 Non-Intersection Intersection Intersection-Related 70 63 61 60 60 59 55 60 50 48 47 46 43 50 36 35 40 33 32 30 % 27 25 24 30 23 22 22 20 8 7 7 7 7 7 7 7 7 7 7 10 0
Citation Rate by Age, 2009-2011 200 180 Rate per 1,000 Licensed Drivers 160 Belt Use 140 Susp/Rev 120 Impaired Red light 100 Not Auth 80 Fail to Yield 60 Aggressive 40 Expired 20 0 16-20 21-24 25-34 35-44 45-54 55-64 65-69 70-74 75-79 80-89 90-99
Older Driver Fatal Crash & Injury Data
Fatal Crash & Injury Data Jurisdictional Data
Older Driver Data, 2007 - 2011 Percent Change in Older (65+) Licensed Drivers by Jurisdiction, 2007 - 2011 18% 16% 16% 14% 12% 11% 12% 11% 10% 9% 9% 9% 9% 9% 9% 10% Percentage 8% 7% 8% 7% 8% 4% 5% 6% 4% 4% 3% 4% 3% 2% 2% 0% -.06% -2% -1% **”N” values represent 2011 figures
Older Driver Crash Data, 2007 - 2011 Percent Change in Older (65+) Driver Crashes by Jurisdiction, 2007 - 2011 18% 20% 12% 15% 11% 10% 9% 7% 10% 6% 6% 3% 3% 5% 2% 0% 0% -1% -5% -2% -5% -6% -10% -7% -10% -10% -11% -15% -13% -14% -15% -20% -25% -30% -27% **”N” values represent 2011 figures
Older Driver Injury Crash Data, 2011 Number of Older Driver Injury Crashes by Jurisdiction, 2011 (N=4,244) 800 732 677 700 600 526 470 500 412 400 300 185 200 126 123 118 116 108 102 92 85 69 100 52 51 0 **Jurisdictions not listed had less than 50 injury crashes
Older Driver Fatal Crash Data, 2011 Total Number of Older Driver Fatal Crashes by Jurisdiction, 2011 (N=72) 12 11 10 8 8 8 7 6 5 4 4 3 3 2 0 Baltimore Montgomery Prince Harford Anne Talbot Carroll Washington George's Arundel **Jurisdictions not listed had less than 3 fatal crashes
Older Driver Fatal Crash & Injury Data Monthly Data
Older Driver Crash Data, 2007-2011 Average Older Driver Crash Percentages by Month 2007-2011 (N=10,083) 10.0% 9.3% 9.5% 9.5% 8.9% 9.0% 9.1% 8.5% 8.4% 8.4% 8.2% 8.0% 8.0% 7.7% 8.0% 7.5% 7.5% 7.0% 6.9% 6.5% 6.0%
Older Driver Fatal Crash & Injury Data, 2007 - 2011 Average Older Driver Injury Crash & Fatal Crash Percentages by Month 2007 – 2011 Injury Crashes Fatal Crashes N=4,292 N=79 12% 10.7% 11% 9.9% 10% 9.6% 9.3% 8.7% 9% 8.6% 8.3% 8.4% 8% 7.1% 7.9% 7.1% 7% 7.1% 6.5% 6.4% 6% Older Driver fatal crashes occur more frequently in April, October and November, while injury crashes are consistent from May through December.
Older Driver Fatal Crash & Injury Data, 2007 - 2011 Fatal v. Injury Crash Percentage - Comparison by Month & Age, 2007 - 2011 Fatal Crashes Fatal Crashes Injury Crashes Injury Crashes ALL Drivers OLDER Drivers ALL Drivers OLDER Drivers 1. August April October October 2. July November May May 3. May May June November 4. September June July June 5. November September September September 6. October December August December 7. April August April August 8. June March November July 9. December July December April 10. January February January March 11. March October March January 12. February January February February
Older Driver Fatal Crash & Injury Data Day of Week Data
Older Driver Crash Data 2011 Average Older Driver Crash Percentages by Day of Week 2007-2011 (N=10,083) 18.0% 17.1% 17.0% 16.0% 16.0% 15.9% 15.4% 15.0% 14.4% 14.0% 13.0% 12.1% 12.0% 11.0% 10.0% 9.1% 9.0% 8.0% Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Older Driver Fatal Crash & Injury Data, 2007 - 2011 Older Driver Injury Crash & Fatal Crash Percentages by Day of Week, 2007 – 2011 Injury Crashes Fatal Crashes N=4,292 N=79 18% 17.8% 17% 16.7% 16% 15.7% 15% 14.7% 14% 14.2% 13% 12% 11.7% 11% 10% 10.2% 9.6% 9% Monday Tuesday Wednesday Thursday Friday Saturday Sunday All Older Driver crashes, injury and fatal, are less frequent on the weekends.
Older Driver Fatal Crash & Injury Data, 2007 - 2011 Fatal v. Injury Crash Percentage - Comparison by Day & Age, 2007 - 2011 Fatal Crashes Fatal Crashes Injury Crashes Injury Crashes ALL Drivers OLDER Drivers ALL Drivers OLDER Drivers 1. Saturday Friday Friday Friday 2. Sunday Thursday Saturday Wednesday 3. Friday Tuesday Thursday Thursday 4. Thursday Wednesday Tuesday Tuesday 5. Wednesday Saturday Wednesday Monday 6. Monday Sunday Monday Saturday 7. Tuesday Monday Sunday Sunday
Older Driver Fatal Crash & Injury Data Time of Day Data
Older Driver Fatal Crash & Injury Data, 2007 - 2011 Older Driver Injury Crash & Fatal Crash Percentages by Time of Day, 2007 – 2011 All Crashes Injury Crashes Fatal Crashes N=10,083 N=4,292 N=79 12% 10% 8% 6% 4% 2% 0% 12:00 AM 1:00 AM 2:00 AM 3:00 AM 4:00 AM 5:00 AM 6:00 AM 7:00 AM 8:00 AM 9:00 AM 10:00 AM 11:00 AM 12:00 PM 1:00 PM 2:00 PM 3:00 PM 4:00 PM 5:00 PM 6:00 PM 7:00 PM 8:00 PM 9:00 PM 10:00 PM 11:00 PM
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