Smoothness of pavements in Connecticut (phase 2-report) data analyses and trends

Dougan, Charles E.; Connecticut Transportation Institute

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Smoothness of pavements in Connecticut (phase 2-report) data analyses and trends

2001-06-01
By Dougan, Charles E.

[PDF-312.85 KB]

English

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Creators:

Dougan, Charles E.
Corporate Creators:

Connecticut Transportation Institute
Corporate Contributors:

Connecticut. Dept. of Transportation ; United States. Federal Highway Administration

Connecticut. Dept. of Transportation ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Analysis Connecticut Department Of Transportation International Roughness Index (IRI) Length Pavements Roads Roughness Smoothness State Highways Trend (Statistics)
Publication/ Report Number:

Report Number 2226-F-2001-1
Resource Type:

Tech Report
Geographical Coverage:

Connecticut
Abstract:

The Connecticut Department of Transportation annually collects roughness data for the entire state highway system. The data are obtained via an ARAN system and are provided in the form of IRI units processed through a quarter-car-algorithm. Research was undertaken to determine the smoothness of various functional classes of highways and to determine factors affecting IRI values. This report presents a series of analyses designed to document trends in IRI data and to quantify the effects of various factors on IRI data. The data universe is comprised of four years of IRI data, obtained from the state highway system in Connecticut. Analysis samples were selected based on input from the Connecticut Department of Transportation staff to document factors affecting IRI of direct importance to the Department.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:b2f7e16001ae1aa8be8efdb02c9bf862800f7e33ab2e0b1b824719b1c7c5f393
Download URL:

https://rosap.ntl.bts.gov/view/dot/4819/dot_4819_DS1.pdf
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Smoothness of pavements in Connecticut (phase 2-report) data analyses and trends

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