Testing the Effect of the Crash Locking Tongue – A Series Begins

September 18, 2020

Testing performed to examine the effect of the Crash Locking Tongue design on reducing the breaking strength of the webbing.

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Forward Vision Documentation During On-Site Drive Test

April 28, 2019

Outboard video cameras were used to document the driver's forward view during several brakes tests staged at the traffic collision site.

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Nighttime Visibility Study – Collision Site Drive-Through

March 15, 2019

Video cameras were used to document the nighttime ambient light on a highway shoulder that was central to conspicuity opinions in an early-morning fatal crash.

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Impact Testing a Powered Wheelchair

September 11, 2018

An Invacare TDX SP wheelchair was impact tested to determine peak force measured at the front caster wheels at speeds up to 2mph.

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Motorcycle Crash Testing – Mare Island, Vallejo, CA

June 14, 2017

A 2-day crash test series featuring 16 motorcycles and 7 vehicles was conducted in collaboration by CAARS staff/members on Mare Island, Vallejo, CA.

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Seat Belt Webbing Elongation Testing

May 15, 2015

Seat belt webbing elongation tests were performed with a constant 2.0in/nim webbing grip separation rate using an Instron model 1123 tension-compression machine.

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Vehicle Versus Pedestrian Test Series

April 15, 2015

Impact testing conducted in northern California to train investigators on gathering physical evidence commonly used in reconstructing pedestrian collisions.

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Rolling Friction of a Run-Flat Condition SUV Tire

March 23, 2015

An SUV was tested to measure overall rolling friction when the inflation pressure of one rear tire was reduced to 20, 10 and 3psi.

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CAT 12G Motor Grader Blade-Drop Deceleration Testing

April 18, 2012

A Caterpillar 12G Motor Grader was tested to determine acceleration/deceleration/speed capabilities, and stopping distance.

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Lock-Wheel Skid Testing

June 4, 2006

Locked-wheel tire friction testing was conducted in a ABS-deactivated passenger van at the site of a single-vehicle collision.

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