Table 1 |
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Summary of traffic metrics |
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| Metric |
Type of metric |
Data source |
Interpretation |
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| 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 |
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Pereira et al. International Journal of Health Geographics 2009 8:63 doi:10.1186/1476-072X-8-63 |
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