There is only one option so far to see if there is a jam. The whole segment of the road between the junctions is marked as one piece.

It is probably fine with very short roads and many junctions, but when the road is long and there is only a relatively small problem - Waze is misleading.

Besides if I see the last metres before the junction to be red, I understand that there is a traffic light. When the whole street is red - there is a jam.

There are too many long roads which have a problem in the middle (say, a roadwork) causing local problems. There is no need to pain the whole segment red.