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Failure to yield the right of way
Can be when you proceed forward while disregarding right of way signs or signals for other cars. You may not be the car that is sopossed to go forward.
Blood alcohol testing
At all levels of blood alcohol concentration, the risk of being involved in a crash is greater for young people than it is for older people (Mayhew 1986). In 2001, 25% of drivers ages 15 to 20 who died in motor vehicle crashes had been drinking alcohol (NHTSA 2002b).
Tire Problems
Under-inflation, the most frequent cause of tire failure, is considered the main culprit in the recent Firestone tire-failure fatalities. Uneven or worn-out tires are the next most serious problem and can also lead to tire failure.
Subpoena
Document issued by the authority of the court to compel a witness to appear and give testimony or produce documentary evidence in a proceeding. Failure to appear or produce is punishable by contempt of court.
Brake failure
Brake failure can happen. Drum brakes are more commen to fail. Modern dual-circuit brake systems have made total brake failure an unlikely event. If one side of the circuit fails, the other side is usually sufficient to stop a vehicle.
Burden of proof
Measure of proof required to prove a fact. Obligation of a party to probe facts at issue in the trial of a case.
Years of Potential Life Lost (YPLL)
Calculated based on the following equation: YPLL = Fixed Age - Age at death. Usually the fixed age is 65 or 70, or the life expectancy of the group in question.
Tripped Rollovers
NHTSA data show that 95% of single-vehicle rollovers are tripped . This happens when a vehicle leaves the roadway and slides sideways, digging its tires into soft soil or striking an object such as a curb or guardrail.
Triangulation
Technique for scene documentation where items of evidence are located by measuring the distance between two (2) reference points.
Velocity
Speed and direction; used to describe a mode of functioning which is efficient and tightly aligned with conscious intention.
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