Update of Condition Rating Survey (CRS) Calculation/Prediction Models Final Report

Heckel, Laura; Ouyang, Yanfeng

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https://hdl.handle.net/2142/45995 Copy

Description

Title

Update of Condition Rating Survey (CRS) Calculation/Prediction Models Final Report

Author(s)

• Heckel, Laura
• Ouyang, Yanfeng

Issue Date

2007-08

Keyword(s)

pavement condition rating, calculation models, prediction models, deduct values, pavement management, asset management

Abstract

The Illinois Department of Transportation (IDOT) uses the Condition Rating Survey (CRS) procedure to evaluate the condition of pavements and to project their future performance. Since 1994, IDOT has been using mathematical models to calculate CRS and to predict the future CRS of the pavements. The objective of this study was to update the existing CRS calculation and prediction models and to create new models for pavement types without models. Neither the CRS calculation nor prediction models have been updated in the last seven to ten years. As a result of the project, three CRS calculation models were created for pavement types without existing calculation models, and eight CRS calculation models were revised. Additionally, CRS prediction models were created for four pavement types without existing prediction models, and CRS prediction models were revised for 23 pavement types. This report summarizes the creation and revision of the CRS calculation and CRS prediction models.

Series/Report Name or Number

FHWA-ICT-07-012 UILU-ENG-2007-2028

ISSN

0197-9191

Type of Resource

text

Language

en

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http://hdl.handle.net/2142/45995

Sponsor(s)/Grant Number(s)

Illinois Department of Transportation

Copyright and License Information

No restrictions. This document is available to the public through the National Technical Information Service, Springfield, Virginia 22161

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