摘要：AbstractIn recent years, the budget for removing graffiti from the highway systems maintained by the Nevada Department of Transportation (NDOT) has been steadily increasing. In order to mitigate the graffiti problem and be able to efficiently utilize its resources for the prevention of graffiti, NDOT initiated a study to compile an inventory of graffiti prevention countermeasures employed by the state Department of Transportation (DOT) in the U. S., and evaluate the effectiveness of these countermeasures. To this end, a questionnaire was developed and was sent to all state DOTs. This paper presents the results of the survey and offers some observations
