Author: Jonathan UpchurchPublisher:
ISBN:
Category :
Languages : en
Pages : 6
Book Description
A Human Factors Evaluation of Freeway Guide Sign Lighting Systems
Author: Jonathan UpchurchHuman Factors Guidelines for Road Systems
Author: John L. CampbellPublisher: Transportation Research Board
ISBN: 0309154693
Category : Technology & Engineering
Languages : en
Pages : 111
Book Description
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.
Human Factors Guidelines for Road Systems
Author: John L. CampbellPublisher: Transportation Research Board
ISBN: 0309258162
Category : Technology & Engineering
Languages : en
Pages : 319
Book Description
"This report completes and updates the first edition of NCHRP Report 600: Human Factors Guidelines for Road Systems (HFG), which was published previously in three collections. The HFG contains guidelines that provide human factors principles and findings for consideration by, and is a resource document for, highway designers, traffic engineers, and other safety practitioners."--Foreword.
Field Evaluation of Unlighted Overhead Guide Signs Using Older Drivers
Author: Helmut T. ZwahlenPublisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 2
Book Description
Problem: In the preceding Unlighted Overhead Guide Sign Feasibility Study, it was determined that the lighting of overhead guide signs on freeways could be eliminated if white microprismatic Type VII or Type IX legends were used on green beaded Type III backgrounds. Because the expert panel in that study was limited to ODOT engineers who were relatively young (average age 38), it was considered necessary to conduct a second study to ensure that these unlighted overhead guide signs would meet the needs of older drivers, who have typically degraded visual capabilities. Additionally, there was interest in evaluating Type VIII and m icroprismatic Type III sheeting materials, which were not included in the first study.
Human Factors Guidelines for Road Systems
Author: John L. CampbellPublisher: Transportation Research Board National Research
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 182
Book Description
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.
Freeway Guide Sign Replacement
Author: Hugh W. McGeePublisher: Transportation Research Board
ISBN: 9780309049023
Category : Transportation
Languages : en
Pages : 52
Book Description
This synthesis will be of interest to traffic engineers, planners, and others interested in making sure that motorists' needs for directional information on freeways are being met. Information is provided on policies and procedures used by states in evaluating freeway guide signs and replacing those that are outdated or deteriorated. Many signs on freeways and other controlled-access highways have exceeded their service life and are no longer serving motorists' needs. This report of the Transportation Research Board describes the policies, proceduress, and criteria used by states for freeway sign evaluation and replacement programs.
Human Factors Requirements for Real-time Motorist Information Displays. Volume 4: Bibliography and Selected Annotations: Visual Systems. Final Report
Author: R. W. McNeesRoadway Lighting Design Guide
Author: American Association of State Highway and Transportation OfficialsPublisher: AASHTO
ISBN: 156051325X
Category : Technology & Engineering
Languages : en
Pages : 134
Book Description
This guide replaces the 1984 publication entitled An Informational Guide for Roadway Lighting. It has been revised and brought up to date to reflect current practices in roadway lighting. The guide provides a general overview of lighting systems from the point of view of the transportation departments and recommends minimum levels of quality. The guide incorporates the illuminance and luminance design methods, but does not include the small target visibility (STV) method.
Evaluation of Alternative Lighting Systems for Guide Sign Illumination
Author: Jonathan Everett UpchurchPublisher:
ISBN:
Category : Roads
Languages : en
Pages : 108
Book Description
The study objective was to identify a lighting system which has a lower power cost and reduced maintenance requirements and which provides adequately for motorists' needs in terms of legibility and illumination level. Twenty-five candidate lighting systems were identified through a review of technical data and specifications for lamps and fixtures by an independent lighting expert. Photometric tests and computer analyses of sign illumination levels reduced the number of candidates to ten alternative systems which were then field tested. Each alternative lighting system was tested for 10 to 14 months. Sign luminance was measured with a telephotometer. Power consumption was monitored. Maintenance requirements and lamp life were noted. A human factors study determined legibility distance and rated viewing comfort, lighting uniformity, and color rendition. An economic analysis was performed which considered the initial cost of acquiring and installing the lighting systems and annual costs for electric power, washing, relamping, and ballast replacement. A lighting system using the high pressure sodium light source was recommended. Compared to the existing commonly used fluorescent system, it uses one-third as much electric power and has about one-third of the annual owning and operating cost. The recommended system has a satisfactory illumination level and provides the best legibility distance of the ten systems tested.
Speed Management
Author: European Conference of Ministers of TransportPublisher: OECD Publishing
ISBN: 9282103781
Category :
Languages : en
Pages : 286
Book Description
Speeding is the number one road safety problem in a large number of OECD/ECMT countries. It is responsible for around one third of the current, unacceptably high levels of road fatalities. Speeding has an impact not only on accidents but also on the ...