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Author : P. L. Olson
Publisher :
ISBN 13 :
Total Pages : 251 pages
Book Rating : 4./5 ( download)
Download or read book Determine the luminous requirements of retroreflective highway signing. Final report written by P. L. Olson and published by . This book was released on 1977 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul L. Olson
Publisher :
ISBN 13 :
Total Pages : 239 pages
Book Rating : 4.:/5 (383 download)
Download or read book Determine the Luminous Requirements of Retroreflective Highway Signing written by Paul L. Olson and published by . This book was released on 1977 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Juan M. Morales
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (91 download)
Download or read book Retroreflective Requirements for Traffic Signs - a STOP Case Study. Final Report written by Juan M. Morales and published by . This book was released on 1987 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study determined the performance of STOP signs based on their retroreflective properties. Thirty-five 30-inch STOP signs, including engineering grade and high intensity, were measured in the laboratory to determine their retroreflective properties. A subset of ten signs was taken to the field to determine how far they could be recognized by paid subjects. Mathematical relationships between the various retroreflective properties and recognition distance were developed. The overall specific intensity per unit area (SIA) was found to be a good measure for estimating the recognition distance of STOP signs.
Author :
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.3/5 (91 download)
Download or read book Luminous Requirements for Traffic Signs written by and published by . This book was released on 1981 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.3/5 (555 download)
Download or read book Luminous Requirements for Traffic Signs written by and published by . This book was released on 1981 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (1 download)
Download or read book Minimal Luminance Requirement for Official Highways Signs written by and published by . This book was released on 1986 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kent L. Black
Publisher : Transportation Research Board
ISBN 13 : 9780309048699
Total Pages : 60 pages
Book Rating : 4.0/5 (486 download)
Download or read book Implementation Strategies for Sign Retroreflectivity Standards written by Kent L. Black and published by Transportation Research Board. This book was released on 1992 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Douglas J. Mace
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.3/5 (91 download)
Download or read book Minimal Luminance Requirement for Official Highway Signs. Final Report written by Douglas J. Mace and published by . This book was released on 1986 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 688 pages
Book Rating : 4.3/5 (555 download)
Download or read book Federally Coordinated Program of Research and Development in Highway Transportation written by and published by . This book was released on 1982 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (3 download)
Download or read book Public Roads written by and published by . This book was released on 1988 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stephen C. Brich
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Determination of the Appropriateness of Virginia's Retroreflective Sign Sheeting Specification for Fluorescent Orange Construction and Maintenance Signs written by Stephen C. Brich and published by . This book was released on 2002 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: To ensure the safe and efficient movement of traffic through a highway network during nighttime conditions, traffic signs are either illuminated or made retroreflective. The Virginia Department of Transportation (VDOT) requires that retroreflective sheeting used on construction and maintenance activity signs be a fluorescent prismatic lens type capable of being retroreflective at entrance angles as great as 50 deg with observation angles of 0.2 and 0.5 deg. Because the validity of the 50-deg entrance angle requirement was questioned, this research was conducted to determine if VDOT's specification is appropriate. Since this project was concerned with fluorescent orange construction and maintenance signs, 232 work zones in Virginia for the 1999 construction season were identified and inventoried. From these sites, 1,865 signs were investigated. The information collected included position, offset, height, shape and dimensions, whether tilted forward or back, rotation and twist, and the number of approach lanes facing the sign. This information was compiled in a spreadsheet, and a vector-based model was developed to determine the entrance, observation, rotation, and orientation angles for each sign. The results indicated that VDOT's 50-deg entrance angle requirement is not appropriate for fluorescent orange construction and maintenance signs. However, the results also indicated that more emphasis should be placed on observation angle requirements than on entrance angle requirements. Every motorist on the approach to a sign will have an observation angle of 0.2, 0.5, 1.0, 1.5, and possibly 2.0 deg depending on the type of vehicle being driven. The study recommends that VDOT specify a 40-deg entrance angle and a 1.0-deg observation angle for prismatic fluorescent orange work zone signs. In addition, the study recommends that the specification include requirements for orientation and rotation angles.
Author : Donald A. Gordon
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.3/5 (91 download)
Download or read book Design of Work Zone Flagger's Vest. Final Report written by Donald A. Gordon and published by . This book was released on 1983 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress. House. Committee on Ways and Means. Subcommittee on Oversight
Publisher :
ISBN 13 :
Total Pages : 528 pages
Book Rating : 4.:/5 (327 download)
Download or read book Impact of Truck Overloads on the Highway Trust Fund written by United States. Congress. House. Committee on Ways and Means. Subcommittee on Oversight and published by . This book was released on 1978 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Federal Highway Administration. Offices of Research and Development
Publisher :
ISBN 13 :
Total Pages : 666 pages
Book Rating : 4.3/5 (91 download)
Download or read book Report No. FHWA-RD. written by United States. Federal Highway Administration. Offices of Research and Development and published by . This book was released on 1975 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. Dexter Jones
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.3/5 (555 download)
Download or read book Evaluation of Guide Sign Construction Material written by H. Dexter Jones and published by . This book was released on 1987 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Michael Mounce
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.3/5 (555 download)
Download or read book Impact Assessment of Revised Retroreflectivity Requirements for Highway Signs in Montana written by John Michael Mounce and published by . This book was released on 1995 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this report is to give a preliminary assessment of the impact that revised retroreflectivity requirements will have on the State of Montana. Conclusions and recommendations are made future management and handling of sign inventory data in Montana. This objective is addressed through the following tasks: Task A: Review, assimilation and analyses of current literature available on a nationwide basis; Task B: Discussion of results from a multi state phone solicitation regarding state sign management practices and policies; Task C: An assessment of sign reflectivity inspection equipment and sampling methodology; and Task D: Evaluation of Montana sign inventory on the basis of current practices and condition of a limited sampling of signs. Recommendations of this report include upgrading of, or improvements to Montana Department of Transportation sign management system and multi-district statewide retroreflective sampling to better determine the impacts revised standards may have.
Author : J. F. Paniati
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)
Download or read book Minimum Retroreflectivity Requirements for Traffic Signs written by J. F. Paniati and published by . This book was released on 1993 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
