Method for providing corridor metrics for a corridor of a road network

A method for providing traffic metrics for a corridor of a road network comprising:

• providing first road network data indicating a first plurality of road network subzones defining a geographic area occupied by a road network, the road network including a plurality of intersections;
• processing first road network data for labelling each road network subzone as one of a core subzone and non-core subzone for forming a first plurality of core subzones and a first plurality of non-core subzones and storing an indication thereof in the first road network data;
• mapping each of the first plurality of core subzones to an intersection of the plurality of intersections of the road network and storing an indication thereof in the first road network data;
• forming a plurality of subsets of core subzones of the first plurality of core subzones, each thereof defining a geographic area occupied by an intersection core of an intersection of the plurality of intersections;
• processing first road network data for mapping each non-core subzone of the first plurality of non-core subzones to at least an intersection of the plurality of intersections;
• forming second road network data including the first road network data and an indication of the at least an intersection of the plurality of intersections of the road network to which each non-core subzone of the first plurality of non-core subzones is mapped;
• forming trip metadata dependent on second road network data and third vehicle data corresponding to the first plurality of road network subzones;
• and
• processing trip metadata associated with a plurality of contiguous intersections of the plurality of intersections of the road network defining the corridor for forming corridor metrics data indicative of corridor metrics for the corridor.