Graph 4.2.2 Smooth Travel Exposure (Rural 4.2 IRI)
Proportion of travel undertaken each year on
rural roads with
a roughness
level condition of less than 4.2 IRI
%
Austroads believes this information to be correct at the time of publication. Austroads does not accept responsibility for any consequences arising from the use of information herein. Readers should rely on their own skill and judgement to apply information to particular issues.
Data on serious casualty crashes and persons killed or hospitalised supplied by State and Territory agencies (Australia) and the New Zealand Transport Agency. Estimated resident population figures sourced from the Australian Bureau of Statistics (ABS) and Statistics New Zealand.
Austroads believes this information to be correct at the time of publication. Austroads does not accept responsibility for any consequences arising from the use of information herein. Readers should rely on their own skill and judgement to apply information to particular issues.
© Austroads Ltd 2011