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  3. Understanding Intersection Analysis

How do we Calculate Free Flow Speed?

This metric refers to the average speed of vehicles (in km/h) that passed through each pair of legs of the intersection without stopping.

This metric refers to the average speed of vehicles (in km/h) that passed through each pair of legs of the intersection without stopping. Note, just like with travel time we use a buffer of 15 metres from the circle provided by the user to as entry and exit points to calculate the average speed.