The mobility metrics dataset was created using mobile phone application data from [Huq](https://data.ubdc.ac.uk/dataset/huq-data/ "Title") and [Tamoco](https://data.ubdc.ac.uk/dataset/tamoco/ "Title")
Floor surface of free spaces/urban floor area. Area of free spaces is obtained by subtracting the area corresponding to the composite coverages 811, 812 and 813 (hull, widening and discontinuous).
