\label{fig:selected-site}
Sample spatial data and analysis at 3 selected sites from top to bottom. From left to right, diagrams demonstrate trajectory tracks (positions) in analysis area and with descriptive alignments, mean speed and heading, and spatial distribution of collision points based on motion pattern prediction with instantaneous $probability > 1e5$ and $TTC < 1.5 seconds$. All coordinates in metres, north pointing upwards.