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Table 9 Indicators of indirect barrier effects
Effect on | Indicator | Description |
|---|---|---|
Frequency of visits | Ratio of changes in number of visits | Percentage of interviewees who indicate they changed the number of visits they make to destinations and social contacts or decided not to make some of these trips to avoid a barrier [9, 10, 71, 108] |
Suppressed pedestrian trips | Number of trips missing in travel behaviour statistics, relative to averages for comparable places. Missing trips can be assumed to be suppressed or that a different mode was chosen [134] | |
Visited destinations | Ratio of changes in destination of trips | Percentage of interviewees indicating that they changed the range of destinations they visit [108] |
Routing of trips | Crossing ratio | “[N]umber of pedestrians who cross a road as a proportion of the pedestrian flow, over a given section or at a specific point” [122]. Registration through video observation |
Ratio of changed routes | Percentage of interviewees indicating that they changed their route planning [59, 71] | |
Organisation of trips | Ratio of changes in timing and organisation of trips | Percentage of interviewees indicating that they changed their trip timing and organisation [68] |
Mode of transport | Modal share | Number of trips that, due to barriers, are made with another than the preferred mode, typically foot and bicycle [29, 47, 71] |