FIGURE 3 Predicted Probabilities for Frequency of Walking Trips to Changes in Street Network Connectivity, Street connectivity (census block perimeter in miles) ,Probability of making one or more walking trips on the reported travel day 0.00,0.57 0.21,0.50 0.43,0.44 0.64,0.37 0.86,0.32 1.07,0.27 1.29,0.23 1.50,0.19 1.71,0.16 1.93,0.13 2.14,0.11 2.36,0.09 2.57,0.07 2.79,0.06 3.00,0.05