Abstract
The article presents an analysis of travel time mapping with a self-acting measurement data gathering method -- developed by the authors -- with an identic grid with a mesh equalling 500x500 m. Time availability was examined in two cases: Warsaw Frederic Chopin Airport and Central Railway Station in Warsaw. Research was based on travel by public transport on a weekday. All data was obtained from the jakdojade.pl Internet service, which determines travel time. Data collected in measurement points was interpolated to the whole territory of Warsaw by the IDW method. Areas impossible to traverse on foot or by public transit due to their topographical features were removed from the interpolation area. To check the quality of results achieved, 20 control points were used to calculate absolute errors of final data. The actuality of studies presented in the article is the end of March 2016.
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