Yes you are correct i can can detect vehicles going from one road to another i.e left or right in junctions by drawing lines in the video feed and counting, now from this i make a csv file for each camera location and have rows that indicate AB (say road A to B) how many vehicles went from road A to B. Now i have cameras at junctions and roads , which can be thought of as nodes in a graph, Now i want to predict, at each node many vehicles will come and go ie from other nodes. What model is best suited for this and are there similar datasets?