Road Litter Pollution Facts | 0 comments Over 51 billion pieces of litter are thrown onto the roads in the United States annually. Litter cleanup costs an estimated $11.5 billion in the U.S. each year. Fact source Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website This site uses Akismet to reduce spam. Learn how your comment data is processed.