conspicuity, or the inability of the motorcyclist to be seen by other road users, is an important
factor associated with the risk of motorcycle crashes. However, there has been limited
research on motorcycle conspicuity in the United States in the past two decades, while at the
same time, there has been a renewed interest from states in increasing motorcycle
conspicuity and motorist awareness. Using motorcycle crash data for Iowa from 2001 to …