Definition
Share of population with appropriate access to mobility services (public transport).
Parameter
Percentage of population with appropriate access to public transport (bus, tram, metro, train).

AccI = Appropriate access index [% of population]
PRi = Number of people living within the access typology zone i, identified by combination of PT accessibility level.
Wi = Weight to identify if the accessibility to mobility services is appropriate (depending on the combination of PT accessibility level). The weight is differentiated for small (i.e. less than 100,000 inhabitants) or large urban areas.
The weight Wi is predefined (not modified by the user) and identifies if the accessibility is appropriate as follows:
- it is = 1 where it is fully appropriate
- it is = 0.5 where it isn't fully appropriate
- it is = 0 where it isn't appropriate
Cap = Capita or number of inhabitants in the urban area [#]
Data sources
Information needed | Possible specific sources | Costs* | Advice to fill data gaps and/ or improve data quality |
Number of people living within access typology zone I, identified by combination of PT accessibility level, i.e. for the estimation:
Distribution of population in the urban area | In order to estimate the number of people living within access typology zone (identified by combination of PT accessibility level) the following data is required in a GIS-based format:
Possible sources can be the public transport authorities/ operators providing the service (for information a.) and statistical offices (for information b.). | M |
|
Number of inhabitants | The number of inhabitants is usually known. | L | - |
* The column “Costs” provides a qualitative assessment of the budget (staff costs, time, costs for data acquisition, etc.) needed by a city/ urban area for gathering new quantitative data in absence of already available values. For each parameter, the assessment takes into account both the administrative costs and the costs related to searching, acquisition and processing of the needed data; these can be high (“H”), medium (“M”) or low (“L”), or a combination of a pair of them.
Files
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