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Performance Index Rating and Maintenance Cost Assignment for Ramps, Acceleration and Deceleration Lanes in Louisiana

Project Details
STATE

LA

SOURCE

RIP

START DATE

04/01/22

END DATE

06/30/24

RESEARCHERS

Qiming Chen, Moses Akentuna

SPONSORS

Federal Highway Administration

KEYWORDS

acceleration lanes, Classification, Costs, deceleration lanes, Guidelines, Pavement maintenance, Preservation, ramps, Roughness

LINKS

Project webpage

Project description

The objectives of this study are as follows: (1) Ascertain whether there are differences in International Roughness Index (IRI) and Performance Index (PI) values of analysis lanes as compared to ramps, acceleration lanes and deceleration lanes at project and network level. (2) Propose a framework for measuring and characterizing IRI and PI values for ramps, acceleration lanes and deceleration lanes; and (3) Establish and propose guidelines to address additional treatment costs specific to ramps, acceleration lanes and deceleration lanes at the project and network levels.
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