Evaluation of the Rollover Propensity of 15-passenger Vans

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ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Evaluation of the Rollover Propensity of 15-passenger Vans by : United States. National Transportation Safety Board

Download or read book Evaluation of the Rollover Propensity of 15-passenger Vans written by United States. National Transportation Safety Board and published by . This book was released on 2002 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fifteen-passenger vans, which make up about 0.25 percent of the passenger vehicle fleet in the United States, are frequently used to transport school sports teams, van pools, church groups, and other groups. Although they are involved in a proportionate number of fatal accidents compared to their percentage in the fleet, they are involved in a higher number of single-vehicle accidents involving rollovers than are other passenger vehicles. Various factors have been associated with 15-passenger van rollover, particularly occupancy level and vehicle speed. Fully loading or nearly loading a 15-passenger van causes the center of gravity to move rearward and upward, which increases its rollover propensity and could increase the potential for driver loss of control in emergency maneuvers. The National Highway Traffic Safety Administration has been evaluating vehicle rollover for several years. The agency has initiated rulemaking activities concerning vehicle rollovers, established a rollover resistance rating system, and is currently examining dynamic testing procedures; however, these programs have not been extended to 15-passenger vans. As a result of this safety report, the National Transportation Safety Board issued safety recommendations to the National Highway Traffic Safety Administration and to the manufacturers of 15-passenger vans.

Analysis of Crashes Involving 15-passenger Vans

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ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Analysis of Crashes Involving 15-passenger Vans by : Rajesh Subramanian

Download or read book Analysis of Crashes Involving 15-passenger Vans written by Rajesh Subramanian and published by . This book was released on 2004 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study explores the relationship between vehicle occupancy and several other variables in the National Highway Traffic Safety Administration's (NHTSA) Fatality Analysis Reporting System (FARS) database and a 15-passenger van's risk of rollover. A univariate analysis is used to demonstrate the effect of selected variables on single-vehicle rollover crashes. Variables used include speed, number of occupants, driver experience and avoidance maneuvers. Also, a logistic regression model is constructed using data from NHTSA's State Data System a collection of all police reported crashes for that state. The resulting model permits jointly estimating the effect of these variables on the odds and rate of rollover occurrence, conditional on being in a single-vehicle police-reported crash.

15-passenger Van Single-vehicle Rollover Accidents, Henrietta, Texas, May 8, 2001, and Randleman, North Carolina, July 1, 2001

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ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis 15-passenger Van Single-vehicle Rollover Accidents, Henrietta, Texas, May 8, 2001, and Randleman, North Carolina, July 1, 2001 by : United States. National Transportation Safety Board

Download or read book 15-passenger Van Single-vehicle Rollover Accidents, Henrietta, Texas, May 8, 2001, and Randleman, North Carolina, July 1, 2001 written by United States. National Transportation Safety Board and published by . This book was released on 2003 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Testing the Rollover Resistance of Two 15-passenger Vans with Multiple Load Configurations

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ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Testing the Rollover Resistance of Two 15-passenger Vans with Multiple Load Configurations by : Garrick J. Forkenbrock

Download or read book Testing the Rollover Resistance of Two 15-passenger Vans with Multiple Load Configurations written by Garrick J. Forkenbrock and published by . This book was released on 2004 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a consequence of NTSB Safety Recommendations H-02-26 and H-02-28, NHTSA performed a study to investigate the effects different load conditions may have on the dynamic rollover resistance of 15-passenger vans. e two vans used in this study, a 2003 Ford E-350 and a 2004 GMC Savana 3500, are representative samples from the only two automobile manufacturers producing 15-passenger vans for the 2004 model year. e GMC Savana 3500 was factory-equipped with electronic stability control (ESC). Each van was evaluated with up to four load configurations depending on the test performed. he GMC Savana 3500 was tested with ESC enabled and disabled. Two maneuvers were used in this study: the Slowly Increasing Steer (SIS) and the NHTSA Road Edge Recovery (RER, also known as the NHTSA Fishhook). maneuver was used to measure maximum lateral acceleration and terminal yaw stability. e RER maneuver was used to quantify dynamic rollover resistance. Slowly Increasing Steer tests revealed that the terminal yaw stability of each vehicle was highly asymmetric, strongly depending on what combination of direction of steer and load was used. nerally speaking, Nominal Load tests produced higher lateral accelerations than those performed with 15-Occupant loading. In the case of the GMC Savana 3500, the yaw stability observed during Nominal Load SIS tests depended on whether ESC was enabled or disabled; stability was much improved when ESC was enabled. When evaluated with the 15-Occupant load, differences between ESC enabled and disabled SIS tests were much less apparent. Generally speaking, the static stability factors and dynamic rollover resistance of the vans degraded as the number of occupants increased. The only exception was that the maneuver entrance speed capable of producing two-wheel lift with 10-Occupant loading was lower than that required by the 15-Occupant configuration for the Ford E-350. None of the load configurations used in this study induced two-wheel lift during RER tests performed with the GMC Savana 3500 when its ESC was enabled. However, when ESC was disabled the Savana 3500's dynamic rollover resistance progressively worsened as the number of occupants increased. Results from this study indicate that installation of ESC on 15-passenger vans may have important safety benefits in some, but not necessarily all, on-road driving situations. Although ESC prevented wheel lift of the GMC Savana 3500 during Road Edge Recovery testing, it could not prevent the vehicle from spinning out during a Slowly Increasing Steer test performed with a 15-Occupant load.

Highway safety research continues on a variety of factors that contribute to motor vehicle crashes.

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Publisher : DIANE Publishing
ISBN 13 : 1428941606
Total Pages : 56 pages
Book Rating : 4.4/5 (289 download)

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Book Synopsis Highway safety research continues on a variety of factors that contribute to motor vehicle crashes. by :

Download or read book Highway safety research continues on a variety of factors that contribute to motor vehicle crashes. written by and published by DIANE Publishing. This book was released on 2003 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Annual Report to Congress

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ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Annual Report to Congress by : United States. National Transportation Safety Board

Download or read book Annual Report to Congress written by United States. National Transportation Safety Board and published by . This book was released on 2002 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:

108-2 Hearings: Departments of Transportation and Treasury, and Independent Agencies Appropriations For 2005, Part 3-Independent Agencies, *

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ISBN 13 :
Total Pages : 1622 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis 108-2 Hearings: Departments of Transportation and Treasury, and Independent Agencies Appropriations For 2005, Part 3-Independent Agencies, * by :

Download or read book 108-2 Hearings: Departments of Transportation and Treasury, and Independent Agencies Appropriations For 2005, Part 3-Independent Agencies, * written by and published by . This book was released on 2004 with total page 1622 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Research Notes

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ISBN 13 :
Total Pages : 646 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Research Notes by :

Download or read book Research Notes written by and published by . This book was released on 1983 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aircraft Accident Report

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ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.3/5 (555 download)

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Download or read book Aircraft Accident Report written by and published by . This book was released on 197? with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Departments of Transportation and Treasury, and Independent Agencies Appropriations for 2005

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ISBN 13 :
Total Pages : 1622 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Departments of Transportation and Treasury, and Independent Agencies Appropriations for 2005 by : United States. Congress. House. Committee on Appropriations. Subcommittee on the Departments of Transportation and Treasury, and Independent Agencies Appropriations

Download or read book Departments of Transportation and Treasury, and Independent Agencies Appropriations for 2005 written by United States. Congress. House. Committee on Appropriations. Subcommittee on the Departments of Transportation and Treasury, and Independent Agencies Appropriations and published by . This book was released on 2004 with total page 1622 pages. Available in PDF, EPUB and Kindle. Book excerpt: Distributed to some depository libraries in microfiche.

Reauthorization of the National Highway Traffic Safety Administration

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ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Reauthorization of the National Highway Traffic Safety Administration by : United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Commerce, Trade, and Consumer Protection

Download or read book Reauthorization of the National Highway Traffic Safety Administration written by United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Commerce, Trade, and Consumer Protection and published by . This book was released on 2004 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ford Explorer Sport Collision with Ford Windstar Minivan and Jeep Grand Cherokee on Interstate 95/495 Near Largo, Maryland, February 1, 2002

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ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Ford Explorer Sport Collision with Ford Windstar Minivan and Jeep Grand Cherokee on Interstate 95/495 Near Largo, Maryland, February 1, 2002 by : United States. National Transportation Safety Board

Download or read book Ford Explorer Sport Collision with Ford Windstar Minivan and Jeep Grand Cherokee on Interstate 95/495 Near Largo, Maryland, February 1, 2002 written by United States. National Transportation Safety Board and published by . This book was released on 2003 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The National Jury Verdict Review and Analysis

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ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.F/5 ( download)

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Download or read book The National Jury Verdict Review and Analysis written by and published by . This book was released on 2007 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications

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ISBN 13 :
Total Pages : 636 pages
Book Rating : 4.3/5 (243 download)

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Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 2003 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Departments of Transportation and Treasury, and Independent Agencies Appropriations for 2004

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ISBN 13 :
Total Pages : 1284 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Departments of Transportation and Treasury, and Independent Agencies Appropriations for 2004 by : United States. Congress. House. Committee on Appropriations. Subcommittee on the Departments of Transportation and Treasury, and Independent Agencies Appropriations

Download or read book Departments of Transportation and Treasury, and Independent Agencies Appropriations for 2004 written by United States. Congress. House. Committee on Appropriations. Subcommittee on the Departments of Transportation and Treasury, and Independent Agencies Appropriations and published by . This book was released on 2004 with total page 1284 pages. Available in PDF, EPUB and Kindle. Book excerpt:

108-1 Hearings Departments of Transportation and Treasury, and Independent Agencies Appropriations For 2004, Part 6, May 8, 2003, *

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ISBN 13 :
Total Pages : 1282 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis 108-1 Hearings Departments of Transportation and Treasury, and Independent Agencies Appropriations For 2004, Part 6, May 8, 2003, * by :

Download or read book 108-1 Hearings Departments of Transportation and Treasury, and Independent Agencies Appropriations For 2004, Part 6, May 8, 2003, * written by and published by . This book was released on 2004 with total page 1282 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Report on Activities Under the National Traffic and Motor Vehicle Safety Act of 1966 and the Motor Vehicle Information and Cost Savings Act of 1972

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ISBN 13 :
Total Pages : 436 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis A Report on Activities Under the National Traffic and Motor Vehicle Safety Act of 1966 and the Motor Vehicle Information and Cost Savings Act of 1972 by :

Download or read book A Report on Activities Under the National Traffic and Motor Vehicle Safety Act of 1966 and the Motor Vehicle Information and Cost Savings Act of 1972 written by and published by . This book was released on with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: