Browse Dept. of Civil and Environmental Engineering by Subject "International Roughness Index"
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Development of IDOT’s Proposed Smoothness Specification Based on the International Roughness Index (Illinois Center for Transportation/Illinois Department of Transportation, 2020-09)The existing smoothness specification implemented by the Illinois Department of Transportation (IDOT) was based on profile-index measurement, which was also widely used by other agencies. There is a national and international ...