Now that you have taken your first steps in traffic flow analysis, you can find more information in these articles:
Consult the filtering data introduction article for a detailed explanation of the filter pipeline and the different stages.
Consult the query language syntax article for an overview of all available functions related to the advanced filtering.
Consult the asset route filter examples article for additional examples of common asset route filters.
Good luck and don’t hesitate to reach out if needed.