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Figure 1-1: Rural Road Conditions in Pennsylvania: 2000Excel | CSV | Table Version ![]() NOTE FOR DATA ON THIS PAGE: Road condition is based on measured pavement roughness using the International Roughness Index (IRI). IRI is a measure of surface condition. A comprehensive measure of pavement condition would require data on other pavement distresses such as rutting, cracking, and faulting. SOURCE FOR DATA ON THIS PAGE: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics, Washington, DC: annual editions, tables HM-63 and HM-64, available at http://www.fhwa.dot.gov/ as of Feb. 1, 2002. Find this web page at:
http://www.bts.gov/publications/state_transportation_statistics/pennsylvania/html/figure_01_01.html |