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NCTCOG Top Ten Contributing Factor Analysis


The Contributing Factor Analysis is done each year for serious injury and fatality crashes and includes Primary, Secondary, and Tertiary Contributing Factors on limited access facilities in NCTCOG's 12-county metropolitan planning area. 

CONTRIBUTING FACTOR TABLES

 

 

2016 TOP TEN CONTRIBUTING FACTORS

 

2016

 

 

Top Ten Contributing Factors

Percentage

1

Speeding - (Failed to Control Speed / Over Limit / Unsafe Speed)

34.63%

2

Changed Lanes when Unsafe

13.02%

3

Driver Related (Distraction in Vehicle / Driver Inattention / Drove Without Headlights / Road Rage / Cell / Mobile Device Use - (Talking / Texting / Other / Unknown [0.68%])

 

12.23%

 

4

Following too Closely

10.83%

5

Faulty Evasive Action

7.09%

6

Failed to Drive in Single Lane

6.95%

7

Under Influence - (Had been Drinking / Alcohol /Drug)

3.19%

8

Failed to Yield ROW (To Pedestrian / Turning Left / Yield Sign)

2.79%

9

Fatigued or Asleep

1.50%

10

Turned Improperly (Cut Corner on Left / Wide Right / Wrong Lane

1.13%

 

2015 TOP TEN CONTRIBUTING FACTORS

2015

 

Top Ten Contributing Factors

Percentage

1

Speeding - (Failed to Control Speed / Over Limit / Unsafe Speed)

32.10%

2

Driver Related (Distraction in Vehicle / Driver Inattention / Drove Without Headlights / Road Rage)

11.56%

3

Faulty Evasive Action

9.68%

4

Changed Lane When Unsafe

8.75%

5

Followed Too Closely

8.36%

6

Failed to Drive in Single Lane

6.59%

7

Under Influence - (Alcohol / Had Been Drinking / Drug)

4.57%

8

Disabled in Traffic Lane

2.24%

9

Fatigued or Asleep

1.94%

10

Sick or Ill (Explain in Narrative)

1.01%

 

2014 TOP TEN CONTRIBUTING FACTORS

2014  
 

Top Ten Contributing Factors

Percentage

1

Speeding - (Over limit / Unsafe Speed/ Failed to Control Speed)

31.30%

2

Driver Related (Distraction in Vehicle / Driver Inattention / Drove Without Headlights / Road Rage)

10.65%

3

Faulty Evasive Action

9.57%

4

Changed Lane When Unsafe

9.24%

5

Followed Too Closely

8.66%

6

Failed to Drive in Single Lane

8.41%

7

Under Influence - (Had been Drinking / Alcohol / Drug)

6.16%

8

Fatigued or Asleep

1.96%

9

Disabled in Traffic Lane

1.56%

10

Pedestrian - Failed to Yield ROW to Vehicle

0.98%

 

6/20/2017  081814 BW

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