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. Author manuscript; available in PMC: 2017 Jun 27.
Published in final edited form as: Sci Total Environ. 2014 May 21;490:37–43. doi: 10.1016/j.scitotenv.2014.04.111

Figure 2.

Figure 2

Map of BC (top) and NO2 (bottom) concentrations on Route 4, divided into the three bike route types. Average daily vehicle kilometers per 200 m square grids are shown in blue. These are 3D representations; comparisons of linear distance and magnitude of pollutant can only be made with nearby points.