Bristol Motor Speedway

Why Use LED Lights at Martinsville?

Since Martinsville announced this week they will install a LED lighting system, I thought it would be fun to take a look at LED lights and why Martinsville chose them over traditional lighting. Martinsville will be the first major motorsports facility to install a LED system. Illumenating Tracks Lighting racetracks is […]

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NASCAR Drivers’ Risky Behavior and the Peltzman Effect

The introduction of automotive safety innovations is usually accompanied by concern about the side-effects of those innovations. For example, when seat belts were introduced, people worried that the belts would keep them from getting out of a car quickly enough if they needed to. When HANS devices first became available, […]

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The Reason for Decreasing Cautions

This was the first year that most people noticed a decrease in the number of cautions, but (as I’ve pointed out), 2012 is merely the latest in a six-year trend of decreasing cautions. The same downward trend is evident in the Nationwide Series. This year is perhaps notable for it being so extreme.

The data clearly shows the trend: The question, of course, is why?

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Are Cautions Really Going Down?

I honestly cannot help it – scientists are naturally skeptical. If you make an assertion, I will have to question you on what data you have that supports it. This is second nature to the people I work with, but I realize it is damned irritating to non-scientists (aka “normal”) people.

So when I started reading everywhere that “cautions were down 35%”, I had to go look into it. This is a preliminary post – more detailed analysis will follow as soon as I’ve read my students’ final projects and gotten comments back to them.

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