Explanation of Terms IRI – International Roughness Index • Measurement of the number of vertical deviations over a section of road. • (i.e. inches mile) • Perfect is a “0” HC IRI – Half-Car IRI - The Perfect Mile - Document - PDFSEARCH.IO

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	Explanation of Terms IRI – International Roughness Index • Measurement of the number of vertical deviations over a section of road. • (i.e. inches/mile) • Perfect is a “0” HC IRI – Half-Car IRI Add to Reading List Document Date: 2007-06-14 11:48:24 Open Document File Size: 22,81 KB Share Result on Facebook Person Distress / / SocialTag Measuring instruments Technology Profilograph Pavement engineering International Roughness Index Road

Explanation of Terms IRI – International Roughness Index • Measurement of the number of vertical deviations over a section of road. • (i.e. inches/mile) • Perfect is a “0” HC IRI – Half-Car IRIAdd to Reading List