[pishpash]

Indeed why would you even need this or a poll? The crash statistics already exist. What's the purpose of a proxy predictor unless the label is something too low signal to detect but may become a big issue later. The only such case is a new road that recently opened.

[OvervCW]

>unless the label is something too low signal to predict

>Also, crashes are statistically rare events on arterial and local roads, so it can take years to accumulate sufficient data to establish a valid safety profile for a specific road segment.

That is exactly what this article is about.