On the other hand, the garbage left behind by unscrupulous people can have a negative impact on the environment. Some roads might be blocked if the run is a major one. Prices at some motels, hotels and service stations may be raised because of the increase in business. The disruption created by fans and the encouragements shouted by the crowd can also be a source of problems, particularly if the run is being held in a small community or village.
Canadian Heritage Information Network