Safety Effects of the 65 Mph Speed Limit and the Mandatory Seat Belt Law PDF Download
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Author: Paul H. Wright
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages : 144
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Book Description
Author: Paul H. Wright
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages : 144
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Book Description
Author: Jack D. Jernigan
Publisher:
ISBN:
Category : Rural roads
Languages : en
Pages : 48
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Book Description
In April of 1987, Congress passed the Surface Transportation and Uniform Relocation Assistance Act (STURAA), which permitted states to raise their maximum speed limit on rural interstate highways to 65 mph. Virginia's 65 mph speed limit went into effect on July 1, 1988, for passenger vehicles and on July 1, 1989, for commercial buses. This is the final report in a series to examine the 65 mph speed limit in Virginia, and it summarizes Virginia's experience with the 65 mph speed limit from 1989 through 1992. Following the implementation of the 65 mph speed limit, average and 85th percentile speeds increased on Virginia's rural interstates, and fatal crashes and fatalities increased significantly. On Virginia's urban interstates, on which the speed limit remained at 55 mph, there was a smaller increase in average and 85th percentile speeds, but there was a slight, nonsignificant decrease in fatal crashes and fatalities. Absolute numbers of fatal crashes and fatalities were used in this analysis rather than rates because traffic volume increases on interstates are averaged for both rural and urban systems. Thus, if volumes increased more on rural interstates, comparisons of relative rates would be misleading. The data in this report clearly show that speeds, fatal crashes, and fatalities increased on Virginia's rural interstates after the implementation of the 65 mph speed limit. However, these increases appear to have plateaued in the last two years of the study. Reports from other states and from national studies reflect a general increase in travel speeds and fatal crashes on rural interstates, but there is conflicting evidence on whether the 65 mph speed limit is the cause. Likewise, there is conflicting evidence concerning whether differential speed limits for trucks and cars have had an impact on the frequency of crashes in states maintaining such differential limits.
Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations
Publisher:
ISBN:
Category : Political Science
Languages : en
Pages : 1842
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Book Description
Author: United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Surface Transportation
Publisher:
ISBN:
Category : Speed limits
Languages : en
Pages : 832
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Book Description
Author: Laura Langbein
Publisher: Routledge
ISBN: 1317461630
Category : Philosophy
Languages : en
Pages : 264
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Book Description
This readable and comprehensive text is designed to equip students and practitioners with the statistical skills needed to meet government standards regarding public program evaluation. Even those with little statistical training will find the explanations clear, with many illustrative examples, case studies, and applications. Far more than a cookbook of statistical techniques, the book begins with chapters on the overall context for successful program evaluations, and carefully explains statistical methods--and threats to internal and statistical validity--that correspond to each evaluation design. Laura Langbein then presents a variety of methods for program analysis, and advise readers on how to select the mix of methods most appropriate for the issues they deal with-- always balancing methodology with the need for generality, the size of the evaluator's budget, the availability of data, and the need for quick results.
Author: United States. National Highway Traffic Safety Administration
Publisher:
ISBN:
Category : Speed limits
Languages : en
Pages : 92
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Book Description
Author: Association for the Advancement of Automotive Medicine. Conference
Publisher:
ISBN:
Category : Automotive medicine
Languages : en
Pages : 552
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Book Description
Author: Susan P. Baker
Publisher: Oxford University Press, USA
ISBN: 0195061942
Category : Medical
Languages : en
Pages : 367
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Book Description
Causes of injuries are explored. Injuries are also analyzed on the basis of intent. Injuries are illustrated by age, race, sex, geographic area, urban/rural residence, and per capita income.
Author: Nisar Khan
Publisher:
ISBN:
Category : Speed limits
Languages : en
Pages : 186
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Book Description
The repeal of the National maximum Speed Limit law in 1995 enabled individual states to set their own speed limits. Speed limits are necessary to ensure mobility while preserving highway safety. It is important that states continually monitor and evaluate existing operating speeds in the context of changing patterns of travel, and changing characteristics of highways, vehicles, drivers, and land-use. Any efforts to review existing speed limits should be accompanied by evaluation of policy impacts such as safety and economic productivity. The goal of this research is to develop a set of speed limit policy guidelines for the state. The study reviews the historical trends in traffic speed in Indiana and recommends a detailed analysis of the impact of speed limit changes on safety and the trucking industry in Indiana. The report also presents a state-of-the-art practice review and a set of possible actions that may be considered for speed limits in Indiana.
Author: James T. Bennett
Publisher: Routledge
ISBN: 1351507133
Category : Business & Economics
Languages : en
Pages : 303
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Book Description
What do drivers' licenses that function as national ID cards, nationwide standardized tests for third graders, the late unlamented 55 mile per hour speed limit, the outlawing of the eighteen-year-old beer drinker, and the disappearing mechanical lever voting machine have in common? Each is the product of an unfunded federal mandate: a concept that politicians of both parties profess to oppose in theory but which in practice they often find irresistible as a means of forcing state and local governments to do their bidding, while paying for the privilege.Mandate Madness explores the history, debate, and political gamesmanship surrounding unfunded federal mandates, concentrating on several of the most controversial and colorful of these laws. The cases hold lessons for those who would challenge current or future unfunded federal mandates. James T. Bennett also examines legislative efforts to rein in or repeal unfunded federal mandates. Finally, he reviews the treatment of unfunded mandates by the federal courts. Those who find wisdom in America's traditional federalist political arrangement maintain perhaps with more wishfulness than realism that the unfunded federal mandate has not yet joined death and taxes as an immovable part of the modern political landscape.
