- An average of 1,247 groups participate in Iowa's Adopt-A-Highway program each year. (FY 2016)
- These groups help keep approximately 27 percent of the state's roadways litter-free. (FY 2016)
- In FY 2016, volunteers collected approximately 1,972 bags of litter.
- Iowa DOT employees spent 1,973 hours disposing of trash picked up by Adopt-A-Highway volunteers and an additional 210,318 hours picking up litter from the roadways. (FY 2016)