Predictive Analysis Features
Safety Performance Functions are key to understanding expected crash rates, which give agencies insight into how their roadways are performing. Agencies can use SPFs that they have already created to run their analysis or create custom SPFs. In addition to creating/saving SPFs, Predictive Analysis provides a history of the functions that can help provide an analysis for how SPFs are performing.
If your agency doesn’t already have SPFs created, no problem. Create segment classifications based on functional class and set SPFs to an optimal fit based on historical crash data.
Visualize the function on a chart and see how it moves as the function is edited. Identify segments that are under or over-performing and compare them with similar segments. View function history to see how it has changed over time.
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