00968526

Component

https://doi.org/10.3141/1860-21

http://scholar.google.com...ring&publication_year=2003

The driving public's attitude toward acceptable levels of road roughness is explored using empirical data collected on urban highways. Individual driver acceptability levels are matched with international roughness index (IRI) levels to examine the existence of potential user acceptability thresholds. In particular, the observed trends are compared with the federal IRI guideline of 170 in./mi (2.7 m/km) for acceptable ride quality recommended by the Federal Highway Administration in its 1998 strategic plan for the National Highway System. The research reported on appears to provide empirical support for the federal IRI guidelines that are already in existence. This study also found that IRI levels provided a very good indication of driver acceptability, which agrees with past research based on antiquated present serviceability ratings.

This paper appears in Transportation Research Record No. 1860, Pavement Assessment, Monitoring, and Evaluation 2003.

English

p. 187-193

2003

Transportation Research Record

0309085977

Figures (3) ; References (24) ; Tables (3)

Acceptance; Guidelines; Pavements; Ride quality; Roughness; Urban highways

International Roughness Index

Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways; I23: Properties of Road Surfaces

TRIS, TRB, ATRI

Jan 9 2004 12:00AM

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