This at the moment https://github.com/openalpr/openalpr https://github.com/openalpr/openalpr If you give me a vehicle database, I can tell you how many red car

This at the moment https://github.com/openalpr/openalpr https://github.com/openalpr/openalpr If you give me a vehicle database, I can tell you how many red cars are used on a route :) The more interesting calculations are based around CO2 emissions. I have the make and model and average speed between two points. I know roughly your emissions outputs. Accuracy is an issue but as long as ALL your ANPR devices read a number plate exactly the same it doesn't make too much of an issue.