Effectiveness of Traffic Signs on Local Roads PDF Download
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Author:
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 6
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Book Description
The 2009 edition of the Manual on Uniform Traffic Control Devices includes requirements for the management and maintenance of all roadway signs. Management of large numbers of signs can pose administrative and financial challenges for local road authorities. The Minnesota Department of Transportation is reviewing whether the removal of ineffective traffic signs may be part of an overall sign management strategy and has asked CH2M Hill to prepare a best practices guide for removing traffic signs. In support of this work, CTC & Associates was tasked by MnDOT with performing a literature search and synthesis of research demonstrating the effectiveness or lack of effectiveness of various types of traffic signs on local roads, including low-volume roads.
Author:
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 6
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Book Description
The 2009 edition of the Manual on Uniform Traffic Control Devices includes requirements for the management and maintenance of all roadway signs. Management of large numbers of signs can pose administrative and financial challenges for local road authorities. The Minnesota Department of Transportation is reviewing whether the removal of ineffective traffic signs may be part of an overall sign management strategy and has asked CH2M Hill to prepare a best practices guide for removing traffic signs. In support of this work, CTC & Associates was tasked by MnDOT with performing a literature search and synthesis of research demonstrating the effectiveness or lack of effectiveness of various types of traffic signs on local roads, including low-volume roads.
Author: Richard A. Cunard
Publisher: Transportation Research Board
ISBN: 9780309049108
Category : Technology & Engineering
Languages : en
Pages : 148
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Book Description
This synthesis will be of interest to traffic engineers, maintenance managers, sign shop supervisors, and others interested in the maintenance of street and highway signs. Detailed information is presented on the current practices of state and local governments in managing the maintenance of street and highway signs within their jurisdictions. The maintenance of street and highway signs is viewed as a means for improving the effectiveness of a signing system. This report of the Transportation Research Board describes the maintenance practices of several state and local highway agencies along with the rationale for those practices. It covers inspection, refurbishing, and replacement practices, along with information on equipment and personnel requirements.
Author: Ricardo G. Sigua
Publisher: UP Press
ISBN: 9715425526
Category : Traffic engineering
Languages : en
Pages : 340
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Book Description
The book covers basic concepts that a senior civil engineering student is expected to understand thoroughly . It is also written as a handy self-contained reference or easy guide for practicing traffic and transportation engineers. Only through a firm grasp and systematic application of basic knowledge and theories could we truly come up with credible and effective solutions to our transport problems and traffic woes. There is nothing more gratifying than having the field of traffic engineering help build communities characterized by efficiency, order, and safety.
Author: ITE (Institute of Transportation Engineers)
Publisher: John Wiley & Sons
ISBN: 1118762304
Category : Technology & Engineering
Languages : en
Pages : 688
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Book Description
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.
Author: American Association of State Highway and Transportation Officials. Task Force for Roadside Safety
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 560
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Book Description
Author: Merwyn Adolph Kraft
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 40
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Book Description
Author: Howard Preston
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 113
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Book Description
In 2008 the FHWA added new regulations to the MUT CD regarding minimum levels of retroreflectivity for traffic signs. This action changed the guidance relating to maintaining minimum levels of retroreflectivity from a recommended practice to a required activity. The new regulations went into effect at the national level in January, 2008 and were added to Minnesota's Manual in February, 2008. The adoption of these new regulations means that all agencies are required to adopt a method of maintaining their signs by January, 2012, to have all ground mounted signs meet the new requirements by January, 2015 and all signs meet the requirements by January, 2018. This Handbook is intended to provide local agencies with information to help maintain the traffic signs on their system of roads. The Handbook identifies maintenance methods, provides an overview of estimated annual maintenance costs and includes a discussion of policy development, conducting engineering studies and a summary of what is known about the effectiveness of traffic signs. A key part of the message is that estimated costs associated with meeting the new requirements far exceeds the typical sign maintenance budget for most local agencies and that the only part of the cost equation that the agencies control is the size of their inventory. As a result, agencies are encouraged to determine what they can afford for a sign maintenance budget and then take the necessary steps to adjust their inventory to match.
Author: Robert Lowell Carstens
Publisher:
ISBN:
Category : Rural roads
Languages : en
Pages : 82
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Book Description
Research was undertaken to define an appropriate level of use of traffic control devices on rural secondary roads that carry very low traffic volumes. The goal of this research was to improve the safety and efficiency of travel on the rural secondary road system. This goal was to be accomplished by providing County Engineers with guidance concerning the cost-effective use of traffic control devices on very low volume rural roads. A further objective was to define the range of traffic volumes on the roads for which the recommendations would be appropriate. Little previous research has been directed toward roads that carry very low traffic volumes. Consequently, the factual input for this research was developed by conducting an inventory of the signs and markings actually in use on 2,069 miles of rural road in Iowa. Most of these roads carried 15 or fewer vehicles per day. Additional input was provided by a survey of the opinions of County Engineers and Supervisors in Iowa. Data from both the inventory and the opinion survey indicated a considerable lack of uniformity in the application of signs on very low volume rural roads. The number of warning signs installed varied from 0.24 per mile to 3.85 per mile in the 21 counties in which the inventory was carried out. The use of specific signs not only varied quite widely among counties but also indicated a lack of uniform application within counties. County officials generally favored varying the elaborateness of signing depending upon the type of surface and the volume of traffic on different roads. Less elaborate signing would be installed on an unpaved road than on a paved road. A concensus opinion was that roads carrying fewer than 25 vehicles per day should have fewer signs than roads carrying higher volumes. Although roads carrying 0 to 24 vehicles per day constituted over 24% of the total rural secondary system, they carried less than 3% of the total travel on that system. Virtually all of these roads are classified as area service roads and would thus be expected to carry only short trips primarily by local motorists. Consequently, it was concluded that the need for warning signs rarely can be demonstrated on unpaved rural roads with traffic volumes of fewer than 25 vehicles per day. It is recommended that each county designate a portion of its roads as an Area Service Level B system. All road segments with very low traffic volumes should be considered for inclusion in this system. Roads included in this system may receive a lesser level of maintenance and a reduced level of signing. The county is also afforded protection from liability arising from accidents occurring on roads designated as part of an Area Service Level B system. A uniform absence of warning signs on roads of this nature is not expected to have any discernible effect on the safety or quality of service on these very low volume roads. The resources conserved may be expended more effectively to upgrade maintenance and traffic control on roads carrying higher volumes where the beneficial effect on highway safety and service will be much more consequential.
Author: United States. Federal Highway Administration
Publisher:
ISBN:
Category : Road markings
Languages : en
Pages : 28
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Book Description
Author:
Publisher: Transportation Research Board
ISBN: 9780309065023
Category : Business & Economics
Languages : en
Pages : 444
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Book Description
TRB Special Report 254 - Managing Speed: Review of Current Practices for Setting and Enforcing Speed Limits reviews practices for setting and enforcing speed limits on all types of roads and provides guidance to state and local governments on appropriate methods of setting speed limits and related enforcement strategies. Following an executive summary, the report is presented in six chapters and five appendices.
