Figure out what the 'road shape' is
Figure out what the 'road shape' is

https://traffic.cit.api.here.com/traffic/6.2/flow.json?app_id=F8aPRXcW3MmyUvQ8Z3J9&app_code=IVp1_zoGHdLdz0GvD_Eqsw&quadkey=03200303033202&responseattributes=sh,fc

has a SHP attribute. Its value actually defines a road as showed in the picture
streettraffic/streettraffic,streettraffic/streettraffic,streettraffic/streettraffic