ABSTRACT
Most transportation professionals will take an introductory course in probability and statistics as undergraduates and, if they pursue further studies, a more in-depth statistics course as graduate students. Rarely do these courses have a specic transportation focus. is is problematic because the problems that they will encounter in their working careers tend to be dierent from those taught in the generic introductory courses. e relationships that need to be modeled are complex, and the variables are oen categorical in nature. In addition, a large proportion of transportation studies are observational in nature and are not amenable to experimental design. Accordingly, the commonly used statistics in transportation re ect the unique characteristics of its subjects and are oen not covered in detail in general statistics classes. Because statistics have become so prevalent in the practice of transportation engineering, a statistics textbook written with a transportation perspective and employing transportation-related problems is essential to the profession.
