Forensic Engineers and Consultants

Tag Archive: ACTAR Certified

  1. When Going Left is My Right

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    The lines on the roadway determine the right-of-way. Did you know a passing zone could limit your right-of-way?

    Passing a vehicle traveling in the same direction on a two-lane roadway should be done with great caution. Completing the pass without colliding with the vehicle being passed, other vehicles approaching from the opposing direction, and without losing control and leaving the roadway are vital. There are rules to passing that people forget; some are laws, others are just common sense. Let us take a look at the laws and what sometimes slips by people that can cause an unsafe pass. State laws may differ, so consider these for South Carolina roadways. (more…)

  2. Over the Hill

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    When traveling down the roadway, a lot of things must be considered. While things that can be seen are obvious concerns, things that cannot be seen pose a threat too. Blind hillcrests leave drivers guessing “what’s on the other side”. Regardless of their intentions, before drivers make a maneuver, they should pay extra attention to blind hill crests. In a collision that occurs just over a hillcrest, where one driver is attempting to continue straight as the other is attempting to make a left-hand turn, many times the investigating officer arrives at a common conclusion. Failure to yield right of way charges are often applied to the driver making the turn; however, are these charges applicable? (more…)

  3. Why investigators should have “Scaled Diagrams” of scenes?

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    When it comes to diagramming a crash scene, there are several methods to accomplish the task. Forensic Mapping, (locating, positioning, and documenting the evidence of a collision scene to scale) is essential to having the answers to the questions “Who, What, Where, When, and Why?”. Photographs do a great job showing what the investigators saw post collision; yet they lack scale and the ability to describe pre-collision movement. Having a computer aided diagram (CAD) of the collision scene goes much further than the pictures can; here is why.

    basic intersectionA scale diagram gives the full overview of a collision scene from either a 2D or 3D point of view. Being able to see how things lined up, how they came together and how they parted helps explain the events within a crash. When a scene can be viewed from top down or any angle, that helps relay the facts. The investigator, judge, or jury will get (more…)

  4. Piecing it Together…Traced Evidence

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    In the field of forensic investigations of traffic collisions, it can be repeated over and over that little things matter. It’s the details that align the facts to describe the event and answer the questions about the crash. Sometimes those details are simple, and they are often overlooked. The damage sustained by a vehicle involved in an accident tells a reconstructionist a lot. Your collision reconstruction could benefit from mapping the damage profiles of the involved vehicle(s) to assist in answering questions about the incident. (more…)

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