Urban Transportation and Logistics

63Healthy Transport

Geocoding of stops allows direct distances to be estimated for trip

stages, but the actual distance traveled depends on the paths traveled,

which are not generally provided and must be estimated. It is also

difcult to estimate the intensity of physical activity from walking

and riding (location of homes) since the exact location of households

is not accurately presented due to privacy reasons. The estimation of

times and locations is also not generally very accurate and short trips

are often under-reported.

Census data can be used to analyze the travel modes used to the

journey to work in Australia. This can be conducted at various degrees

of spatial aggregation, including local government area and suburban

areas (www