Today's Toronto Star's article includes the opportunity “The city doesn’t have the resources to measure how other roadways are affected by construction projects, …”.
There you go.
A non-intrusive filter to monitor cell phone and GPS traffic (signal events only, no data needed, so no concerns about privacy!) that goes up to the sky.
Should make a lovely Google-like Ap that shows, in real-time, just what vehicles and people are doing around that part of the hive.
The log file of this data, of course, gives the statisticians what they need for their models.