Road Segment Crash Rate Calculator

Posted on with tags: traffic engineering

I am reading Part Two, Chapter 4.3 of javascript.info tutorial. It has an exercise to write a js deposit calculator. I often use a spreadsheet file to calculate road segment crash rate. The equations are not difficult, but it is easy to make mistakes.

The equation below is from this FHWA link.

mvm

Here is a js version I wrote. The code is similar to the deposit calculator.

Road Segment Crash Rate Calculator

AADT (Annual Average Daily Traffic)
Segment Length (miles)
Crash Number In 3 Years
Results:
Crash Number in 1 Year
VMT (Vehicle Miles Traveled)
Segment Crash Rate