ROAD CONDITION
Measures of road condition include roughness, rutting and cracking. Roughness less than 4.2 IRI is considered acceptable for non-metropolitan roads, according to IRI (International Roughness Index).
Local Government Areas outside Melbourne with the highest percentages of rough main roads in 2006-07 were Yarriambiack (17.7%), West Wimmera (15.9%) and Queenscliffe (15.5%). The lowest percentages were found in Mildura (2.5%), Glenelg (3.1%) and Towong (3.3%).
With lower average travel speeds in urban areas, roughness less than 5.3 IRI is considered acceptable for metropolitan roads. Local Government Areas within Melbourne with the highest percentages of rough main roads in 2006-07 were Yarra (8.0%), Maribyrnong (7.0%) and Stonnington (6.8%). The lowest percentages were in Melton, Casey (0.6% each) and Frankston (1.6%).
View underlying table as an Excel spreadsheet: 1367.2 Condition of VicRoads Network, By Local Government Area (file size 34kB).
View underlying table as an Excel spreadsheet: 1367.2 Road Traffic Fatalities and Injuries, By Local Government Area (file size 63kB).
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