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Our clients rely on us to determine what happened in an accident
and why it happened. In many cases, they also want us to identify
what could have been done to reduce the severity of the accident
or the injuries to those involved.
 Heavy
Truck Rollover
A passenger car pulled into an intersection and into the path
of an oncoming heavy truck. The truck driver swerved to avoid
collision, but his truck rolled over on the passenger car.
The trucking company retained Exponent to determine the appropriateness
of it's driver’s actions. Our engineers analyzed the
vehicle damage and intersection geometry in order to identify
factors that contributed to the accident. We concluded that
the driver was not speeding and that, given the timing of
the vehicle motions, there was nothing the truck driver could
have done to avoid the accident.
 Passenger
Car Rollover
Following a tire blowout, a motorist lost control of his vehicle.
The vehicle rolled several times, ejecting one of the occupants
during the roll sequence. The ejected occupant had not been
restrained and sustained serious injuries. Exponent engineers
were retained to reconstruct the accident and assess the potential
effectiveness of seatbelt usage. The reconstruction effort
was hampered by incomplete scene evidence gathered by the
investigating police officers. Using photographic techniques,
our engineers were able to recover important scene evidence
and reconstruct the rollover sequence. Through an analysis
of the accident severity and the injuries to the ejected occupant,
we concluded that if the occupant was properly restrained
within the vehicle, the likelihood of sustaining serious injury
would have been substantially reduced.
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