Evaluation of Alternative Sign Lighting Systems to Reduce Operating and Maintenance Costs PDF Download
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Author: Jonathan Upchurch
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 21
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Book Description
Author: Jonathan Upchurch
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 21
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Book Description
Author: Hugh W. McGee
Publisher: Transportation Research Board
ISBN: 9780309049023
Category : Transportation
Languages : en
Pages : 52
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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is provided on policies and procedures used by states in evaluating freeway guide signs and replacing those that are outdated or deteriorated.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.
Author: Jonathan Everett Upchurch
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 108
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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.
Author:
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 956
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Book Description
Author: Myer Kutz
Publisher: McGraw Hill Professional
ISBN: 9780071391221
Category : Technology & Engineering
Languages : en
Pages : 1012
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Book Description
This is a comprehensive, problem-solving engineering guide on the strategic planning, development, and maintenance of public and private transportation systems. Covering all modes of transportation on land, air, and water, the Handbook shows how to solve specific problems, such as facility improvement, cost reduction, or operations optimization at local, regional, national, and international levels. * Extensive sections on road construction and maintenance, bridge construction and repair, and mass transit systems * Examines airline traffic control systems, airline schedule planning, and airline ground operation * Covers marine, rail, and freight transportation
Author: National Cooperative Highway Research Program
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 644
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Book Description
Author: Myer Kutz
Publisher: McGraw Hill Professional
ISBN: 0071614788
Category : Technology & Engineering
Languages : en
Pages : 1100
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Book Description
The definitive transportation engineering resource--fully revised and updated The two-volume Handbook of Transportation Engineering, Second Edition offers practical, comprehensive coverage of the entire transportation engineering field. Featuring 18 new chapters and contributions from nearly 70 leading experts, this authoritative work discusses all types of transportation systems--freight, passenger, air, rail, road, marine, and pipeline--and provides problem-solving engineering, planning, and design tools and techniques with examples of successful applications. Volume II focuses on applications in automobile and non-automobile transportation, and on safety and environmental issues. VOLUME II COVERS: Traffic engineering analysis Traffic origin-destination estimation Traffic congestion Highway capacity Traffic control systems: freeway management and communications Traffic signals Highway sign visibility Transportation lighting Geometric design of streets and highways Intersection and interchange design Pavement engineering: flexible and rigid pavements Pavement testing and evaluation Bridge engineering Tunnel engineering Pedestrians Bicycle transportation Spectrum of automated guideway transit (AGT) and its applications Railway vehicle engineering Railway track design Improvement of railroad yard operations Modern aircraft design techniques Airport design Air traffic control systems design Ship design Pipeline engineering Traffic safety Transportation hazards Hazardous materials transportation Incident management Network security and survivability Optimization of emergency evacuation plans Transportation noise issues Air quality issues in transportation Transportation and climate change
Author:
Publisher:
ISBN:
Category : Air travel
Languages : en
Pages : 810
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Book Description
Author: Frederick S. Merritt
Publisher: Springer Science & Business Media
ISBN: 1475701489
Category : Science
Languages : en
Pages : 708
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 466
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Book Description
