Apply the traffic congestion filter
You can set the minTrafficCongestion to filter the traffic that is rendered by setting a starting point for the congestion level.
In this tutorial, the congestion level is set to queuing.
Code
https://traffic.maps.hereapi.com/v3/flow/mc/9/272/177/png?minTrafficCongestion=queuing
Procedure
Send the above request to set the congestion level filter to queuing.
Result
The response will return the following:

Updated last month