For now the pages reached by visitors which have the same script name but different arguments are put on several lines in the table.
There is already a system to group the page /trac/ticket and /trac/wiki in a same group, which is developed when clicking on the "+" sign.
It could be good to make something similar when the script file in the same.
Please find in attachment an example.
Attachment: Before-After for script name groups
script name grouping.png
You can do this by building a custom Page title for your page views.