Driver and data enthusiast Andrew Rains addresses drivers’ reluctance to delve into date in “So You Say You’re Not A Data Person?” This week’s Speed Secret is ~ Understand where, when, and why you choose to drive at or below the limit. ~ Speed Secrets Glossary defines “Friction Circle (traction circle).” Ross highly recommends that everyone read The Unfair Advantage by Mark Donahue and Paul Van Valkenburgh (back in print).
