Highway Beautification
- An average of 1,849 groups participate in Iowa's Adopt-A-Highway program each year. (2008)
- Among these groups are an estimated 18,000 volunteers who help keep 52 percent of the state's roadways litter-free. (2008)
- In 2008, volunteers collected 767 cubic yards of litter, and state workers collected an additional 1,257 cubic yards from the state's highways.
- Iowa DOT employees spent 1,449 hours disposing of trash picked up by Adopt-A-Highway volunteers and an additional 16,023 hours picking up litter from the roadways. (2008)

