Ruhl's News
Presentations and PublicationsDr. Mark Strauss was invited to speak at the European Accident Reconstruction Group Conference in Wildhaus, Switzerland on June 25, 2010. His presentation, How Well Can the Average Person and Police Estimate Distance Along a Roadway?, was based upon his independent research. He was also invited to speak at the International Federation of Automotive Engineers (FISITA) 2010 World Automotive Congress in Budapest, Hungary. He spoke on the ability of people to estimate distances along a roadway and how their education, hobbies and careers affect their accuracy.
Dr. Strauss addressed a session of the Society of Automotive Engineers (SAE) 2010 World Congress; he discussed his original research involving observed errors in distance estimation. The research has been published as SAE paper 2010-01-0046, "Observed Errors In Distance Estimation". Dr. James Carnahan is co-author of the paper.
John Moore presented Trucking Company Operations - Order Intake to Crash - Inside the Company at the Litigating Truck Collision Cases seminar sponsored by the American Association for Justice (AAJ) in New Orleans, LA on February 26, 2010. Mr. Moore is a commercial vehicle management specialist and a Certified Director of Safety.
James A. Bragdon, Jr.,M.S., P.E spoke recently at the Fatigued Truckers Seminar sponsored by Associaton of Plaintiff Interstate Trucking Lawyers of America (APITLA) in Las Vegas, NV; his presentation was entitled Truck Drivers + Fatigue + Work Zones = Crashes Mr. Bragdon is a traffic engineer with Ruhl Forensic specializing in temporary traffic control zones.
Professional Development
Rod Ruhl, Accredited Accident Reconstructionist, attended a seminar offered by the Southwestern Association of Technical Accident Investigators (SATAI) in Glendale, AZ. The seminar covered safety in mass production vehicles, pedestrian safety and the MATAI, and EDR data from non-CDR supported vehicles. Mr. Ruhl is an engineer in our Scottsdale, AZ office.
Scott Duvall, Accredited Accident Reconstructionist, attended both the EDC Reconstruction and EDC Simulations training courses offered by the Engineering Dynamics Corporation. EDC is the creator of the HVE suite of accident reconstruction software. The HVE suite is the industry-approved software that is used to create simulations.
Jacqueline Orr recently attended an HVE Forum Workshop entitled Environment Building for the Professional Graphic Artist in San Antonio. Ms. Orr is Ruhl Forensic's in-house graphics artist.
Peter Philbrick and John Moore attended a Flatbed Cargo Securement workshop offered by J.J.Keller. Both Mr. Philbrick and Mr. Moore are commercial vehicle safety specialists and Certified Safety Directors.
Dwayne Owen and Scott Duvall attended the Vextronic / Bosch Crash Data Retrieval Analyst and Technician courses. They are Certified Crash Data Retrieval System Operators which means they have been industry trained in the correct procedures for downloading and analyzing data from the air bag and powertrain control modules of vehicles that have been involved in a crash.
Research and Testing
Dr. Strauss is continuing his research into the accuracy of the typical adult’s ability to view, then estimate distances along a roadway. An article based upon his research entitled Distance Estimation Error in a Roadway Setting has been published in the Police Journal.
Dwayne Owen continues his research into the deceleration rates of motorcycles, passenger cars, light duty pickup trucks, and tractor-trailers of various configurations on a common surface. He is being assisted in this testing by Scott Duvall and Ed Sebak.
Please feel free to call us at any time at 800-355-7800 or 800-235-2808 with questions regarding the work we do.



