This perhaps is more for the Cloud API but it would be a fantastic feature for Video Product. Being able to track car speed. The main purpose is for neighborhoods. Speeding on public and private roads is always a hot button item. I can see HOA's evaluating the product if this was available on top of the license plate recognition.
Here is another product that does this right now, and generally works well.
http://www.raserabwehr.de/
Just food for thought.
