Figure 1.

Overview of the model Composite traffic v. 1.0.1. The model calculates health effects and other costs in the Helsinki metropolitan area. The overview of the urban traffic problem utilizes the DPSEEA approach (driving force, pressure, state, exposure, effect, action) [22]. The most important colour and shape symbols are explained in the lower left corner.

Tuomisto and Tainio BMC Public Health 2005 5:123   doi:10.1186/1471-2458-5-123
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