Comparing of Data Collection for Network Level Pavement Management of Urban Roads and Highways

Figure 1

square of performance models for IRI ((a, b) are for urban roads, (c, d) are for highways, (e, f) are for LTPP data). (a) Change of for linear model. (b) Change of for exponential model. (c) Change of for linear model. (d) Change of for exponential model. (e) Change of for linear model. (f) Change of for exponential model.

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(b)

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(f)