Relationship between pavement macrotexture and crash incidences on North Carolina roads : final report, February 27, 2008.

Pulugurtha, Srinivas S.; Kusam, Prasanna R.; Patel, Kuvleshay; University of North Carolina at Charlotte. Department of Civil and Environmental Engineering

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Relationship between pavement macrotexture and crash incidences on North Carolina roads : final report, February 27, 2008.

2008-01-27
By Pulugurtha, Srinivas S. ; Kusam, Prasanna R. ; Patel, Kuvleshay

[PDF-623.06 KB]

English

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Creators:

Pulugurtha, Srinivas S. ; Kusam, Prasanna R. ; Patel, Kuvleshay

Pulugurtha, Srinivas S. ; Kusam, Prasanna R. ; Patel, Kuvleshay Less -
Corporate Creators:

University of North Carolina at Charlotte. Department of Civil and Environmental Engineering
Subject/TRT Terms:

[+]

Additives Asphalt Additives Asphalt Cement Asphalt Concrete Asphalt Mixtures Crash Data Highway Safety Pavements, Asphalt--Additives--North Carolina Pavements, Asphalt Concrete--Additives--North Carolina Pavements--Performance--North Carolina Tables (Data) Traffic Accidents--North Carolina--Safety Measures
Publication/ Report Number:

FHWA/NC/2007-12
Resource Type:

Tech Report
Geographical Coverage:

North Carolina
Edition:

Final report; July 1, 2006-Dec. 31, 2007.
Corporate Publisher:

North Carolina. Department of Transportation. Research and Analysis Group
Abstract:

A recent study in Australia has shown that there is a relation between low pavement macrotexture and crash incidences on

highways. However, literature documents no such research in the United States. This study focuses on evaluating the role of

pavement macrotexture in crashes on selected roads in the state of North Carolina (NC). Pavement macrotexture refers to

variations in the road surface in the range 0.02” (0.5 mm) to approximately 2” (50 mm). Laser profilometer data obtained from

the NC Department of Transportation (NCDOT) is processed to calculate estimated pavement macrotexture at one-sixteenth of a

mile interval according to the ASTM standards. Crash data collected over the same lengths of the corridors were integrated with

the calculated pavement macrotexture. Scatter plots, bivariate analysis and multivariate analysis showed that a strong relationship

exists between pavement macrotexture and crash incidences on NC roads. Analyses and evaluation indicate that crashes decrease

with increase in pavement macrotexture on NC roads. Pavement macrotexture greater than or equal to 0.06” (but typically less

than 0.12”) would be most appropriate to provide safe and efficient transportation to road users.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:ba50a37f85fa931d6eccea1f93db429d9a1057b190a919cb590884869a4ee25f
Download URL:

https://rosap.ntl.bts.gov/view/dot/5694/dot_5694_DS1.pdf
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Relationship between pavement macrotexture and crash incidences on North Carolina roads : final report, February 27, 2008.

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