A Users Guide To Positive Guidance 3rd Edition Final Report PDF Download

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A Users' Guide to Positive Guidance

A Users' Guide to Positive Guidance
Author: Harold Lunenfeld
Publisher:
Total Pages: 112
Release: 1990
Genre: Highway communications
ISBN:

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Positive Guidance is a high payoff, short-range way to enhance safety of substandard facilities. This report presents three types of information to guide the user in applying Positive Guidance. Part I of this report discusses the principles, concepts and terminology underlying Positive Guidance. Part II presents the procedures for performing the eighteen activites required to accomplish Positive Guidance objectives. Part III presents three case studies to show procedure application and product variation brought on by site differences. The three case studies are urban, signalized intersection; interstate freeway segment; and, a rural two lane road.


Human Factors Guidelines for Road Systems

Human Factors Guidelines for Road Systems
Author: John L. Campbell
Publisher: Transportation Research Board
Total Pages: 38
Release: 2008
Genre: Roads
ISBN: 0309117518

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NCHRP report 600 explores human factors principles and findings for consideration by highway designers and traffic engineers. The report is designed to help the nonexpert in human factors to consider more effectively the roadway user's capabilities and limitations in the design and operation of highway facilities.


Resources in Education

Resources in Education
Author:
Publisher:
Total Pages: 344
Release: 1997
Genre: Education
ISBN:

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Traffic Engineering Handbook

Traffic Engineering Handbook
Author: ITE (Institute of Transportation Engineers)
Publisher: John Wiley & Sons
Total Pages: 688
Release: 2016-01-19
Genre: Technology & Engineering
ISBN: 1118762266

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Get a complete look into modern traffic engineering solutions Traffic Engineering Handbook, Seventh Edition is a newly revised text that builds upon the reputation as the go-to source of essential traffic engineering solutions that this book has maintained for the past 70 years. The updated content reflects changes in key industry standards, and shines a spotlight on the needs of all users, the design of context-sensitive roadways, and the development of more sustainable transportation solutions. Additionally, this resource features a new organizational structure that promotes a more functionally-driven, multimodal approach to planning, designing, and implementing transportation solutions. A branch of civil engineering, traffic engineering concerns the safe and efficient movement of people and goods along roadways. Traffic flow, road geometry, sidewalks, crosswalks, cycle facilities, shared lane markings, traffic signs, traffic lights, and more—all of these elements must be considered when designing public and private sector transportation solutions. Explore the fundamental concepts of traffic engineering as they relate to operation, design, and management Access updated content that reflects changes in key industry-leading resources, such as the Highway Capacity Manual (HCM), Manual on Uniform Traffic Control Devices (MUTCD), AASSHTO Policy on Geometric Design, Highway Safety Manual (HSM), and Americans with Disabilities Act Understand the current state of the traffic engineering field Leverage revised information that homes in on the key topics most relevant to traffic engineering in today's world, such as context-sensitive roadways and sustainable transportation solutions Traffic Engineering Handbook, Seventh Edition is an essential text for public and private sector transportation practitioners, transportation decision makers, public officials, and even upper-level undergraduate and graduate students who are studying transportation engineering.


Highway Safety Manual

Highway Safety Manual
Author:
Publisher: AASHTO
Total Pages: 886
Release: 2010
Genre: Technology & Engineering
ISBN: 1560514779

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"The Highway Safety Manual (HSM) is a resource that provides safety knowledge and tools in a useful form to facilitate improved decision making based on safety performance. The focus of the HSM is to provide quantitative information for decision making. The HSM assembles currently available information and methodologies on measuring, estimating and evaluating roadways in terms of crash frequency (number of crashes per year) and crash severity (level of injuries due to crashes). The HSM presents tools and methodologies for consideration of 'safety' across the range of highway activities: planning, programming, project development, construction, operations, and maintenance. The purpose of this is to convey present knowledge regarding highway safety information for use by a broad array of transportation professionals"--p. xxiii, vol. 1.


Research in Education

Research in Education
Author:
Publisher:
Total Pages: 1520
Release: 1971
Genre: Education
ISBN:

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Evaluation of Dynamic Speed Display Signs (DSDS)

Evaluation of Dynamic Speed Display Signs (DSDS)
Author: Elisabeth R. Rose
Publisher:
Total Pages: 110
Release: 2003
Genre: Roads
ISBN:

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Dynamic speed display signs (DSDS), devices that detect and display a vehicle's current speed back to the driver, have been shown to have a significant speed-reducing effect in temporary applications such as work zones or neighborhood speed watch programs. In this report, researchers examined the effectiveness of DSDS installed permanently in several locations that were experiencing speed-related problems. Seven sites were evaluated, including a school speed zone, two transition speed zones in advance of a school speed zone, two sharp horizontal curves and two approaches to signalized intersections on high-speed roadways. Data were collected before the DSDS were installed, about one week after installation to determine initial effects of the signs upon vehicle speeds, and again about four months after installation to determine how well the initial speed reductions were maintained. Researchers analyzed average speeds, 85th percentile speeds, percent of the sample exceeding the speed limit and standard deviations of the samples. Also, least square regression analyses between the speed of a vehicle upstream of the DSDS and that vehicle's speed measured again at the DSDS were performed to determine whether the sign affected higher speed vehicles more than lower speed vehicles. Overall, average speeds were reduced by 9 miles per hour at the school speed zone. Elsewhere, the effect of the DSDS was less dramatic, with average speeds reduced by 5 mph or less, depending on the location tested. As expected, the influence of a DSDS was found to differ depending on how fast a motorist approached the DSDS. Those motorists traveling faster than the posted speed did appear to reduce their speed more significantly in response to the DSDS than did motorists traveling at or below the posted speed limit. The results of this project suggest that DSDS can be effective at reducing speeds in permanent applications if appropriate site conditions apply.