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Intersection Crash Contributing Factors

The Utah Department of Transportation (UDOT) keeps the intersection crash-related data in its Crash Data Delivery System to help researchers understand accidents along Utah’s state routes. The system comprises data that pinpoints key intersection crash-related information, including state-wide intersection, intersection crash frequencies, intersection crash severities, and other collision-related information. A ten-year study between 1994 and 2003 was used to rank crash rates for selected intersections and the recurrence of fatal crashes within the 10-year period.

Intersection Crash Contributing Factors

Car accidents and crashes into pedestrians at intersections happen all the time. A car accident lawyer from Robert J. DeBry & Associates can help you if you are a pedestrian or car accident victim. However, this occurs due to the driver’s negligence and lack of attentiveness, especially when they go through an intersection with a stop sign or traffic light. Pedestrian fatalities at intersections may be greatly reduced if drivers know the following intersection crash contributing factors:

Hauer et al. (2002) listed the following potential contributing factors for various collision types:

  • Bicyclists not on shoulder or bike lane; no bicycling facilities (bicycle-vehicle crashes)
  • Conflicting decisions between drivers moving in the same direction once a traffic signal changes to amber (rear-end crashes)
  • Conflicts with a right turn on red vehicles (left-turn crashes, pedestrian-vehicle crashes)
  • Conflicts with crossing pedestrians or bicyclists (left-turn crashes, right-turn crashes)
  • Delayed or slow driver perception and reaction; inattentiveness (all crashes)
  • Impairment (all crashes)
  • Lack of conspicuity (pedestrian-vehicle crashes, bicycle-vehicle crashes)
  • Misjudgment of the speed of oncoming vehicles (left-turn crashes)
  • Pedestrian crossing outside of designated crossing area (pedestrian-vehicle crashes)
  • Poor sight distance (all crashes)
  • Poor visibility (all crashes)
  • Red light violations; noncompliance with signal (right-angle collisions, pedestrian-vehicle crashes, bicycle-vehicle crashes)
  • Sudden lane changes (side-swipe incidents)
  • Speed differences between vehicles moving in the same direction (rear-end crashes)
  • Speeding (single-vehicle incidents)
  • Swerving to avoid a vehicle, another highway user, animal, or object (single-vehicle incidents)

There are multiple contributing factors leading to crashes at intersections. However, it may require a crash reconstruction expert to pinpoint the factors in most crashes involving pedestrians, bicycles, or other vehicles due to the complexity of intersection crashes.

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