Evaluation of Snowplowable, Retroreflective, Raised Pavement Markers PDF Download
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Author: Ed Stellfox
Publisher:
ISBN:
Category : Reflectors (Safety devices)
Languages : en
Pages : 310
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Book Description
Author: Ed Stellfox
Publisher:
ISBN:
Category : Reflectors (Safety devices)
Languages : en
Pages : 310
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Book Description
Author: Neville A. Parker
Publisher:
ISBN:
Category : Reflectors (Safety devices)
Languages : en
Pages : 122
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Book Description
Author: Jaime Reyes
Publisher:
ISBN:
Category : Reflectors (Safety devices)
Languages : en
Pages : 16
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Book Description
Author: Geni Brafman Bahar
Publisher: Transportation Research Board
ISBN: 0309087902
Category : Reflectors (Safety devices)
Languages : en
Pages : 71
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Book Description
"TRB's National Cooperative Highway Research Program (NCHRP) Report 518: Safety Evaluation of Permanent Raised Pavement Markers examines the safety performance of snowplowable permanent raised pavement markers on two-lane roadways and four-lane freeways"--Publisher's description.
Author: Gary L. Doerr
Publisher:
ISBN:
Category : Automobile driving at night
Languages : en
Pages : 40
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Book Description
Author: Newfoundland and Labrador. Department of Transportation and Communications. Highway Planning and Research
Publisher:
ISBN:
Category : Road markings
Languages : en
Pages : 26
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Book Description
Author: M. V. Jagannath
Publisher:
ISBN:
Category : Reflectors
Languages : en
Pages : 72
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Book Description
Author: G. F. Gurney
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
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Book Description
Author: Benjamin H. Cottrell
Publisher:
ISBN:
Category : Automobile driving in rain
Languages : en
Pages : 28
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Book Description
This study evaluated the night visibility of waffle tape and paint with large beads, particularly during wet night conditions. Data were collected at two sites along a primary arterial. The evaluation included an examination of (1) the application of the markings, (2) the visibility of the markings using retroreflectometer measurements and subjective assessments, and (3) the costeffectiveness of the markings. The study revealed: (1) compared with paint with standard beads, the waffle tape and paint with large beads were slightly more retroreflective during light rain at night and recovered quicker after flooding out, (2) the marginal improvement in visibility during periods of light rain do not offset the operational problems of applying paint with large beads, and (3) the benefits of waffle tape during light rain do not appear to justify its use solely for wet night visibility. Because of the above findings, snowplowable raised pavement markers, which are very visible in wet night conditions, appear to be more cost-effective. The study recommends that (1) VDOT continue to use and maimain snowplowable raised pavement markers for visibility during wet night conditions, (2) VDOT continue to monitor FHWA's study on all weather pavement markings, and (3) the Suffolk District consider testing nonsnowplowable raised pavement markers to assess their use as a low-cost alternative to improve visibility during wet night conditions where snowplowing occurs infrequently.
Author: Kenneth R. Agent
Publisher:
ISBN:
Category : Reflectors (Safety devices)
Languages : en
Pages : 28
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Book Description
The objective of this study was to evaluate the effectiveness and durability of snowplowable raised pavement markers (RPM) installed on the RPM system in Kentucky. The durability evaluation dealt with the marker housing.
