Table 1

Summary of traffic metrics


Metric
Type of metric
Data source
Interpretation

1
Kernel density
Point pattern
MRWA
High vs low traffic area based on locations of monitoring sites
2
Distance-weighted traffic density
(All traffic, Truck traffic)
Weighted traffic counts
Video monitoring
Vehicle kilometres travelled per peak traffic hour weighted by a pollutant decay function of distance
3
Distance to nearest major road
Linear distance
EDIS
MRWA
Distance to nearest road carrying more than 15,000 vehicles per day
4
Road length
Road density
Road characteristics

Length of road or density of road within a circular buffer

Pereira et al. International Journal of Health Geographics 2009 8:63   doi:10.1186/1476-072X-8-63

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