About Us

Thank you for caring about our environment! Don’t Trash Arizona is a program implemented by the Maricopa Association of Governments, in collaboration with the Arizona Department of Transportation, to address the economic, safety, and health impacts of freeway litter along regional and state highways. The program is funded through Proposition 400, which was approved by voters in 2004. That funding encompasses litter pickup, sweeping, and landscape maintenance, as well as litter education and prevention. Don’t Trash Arizona seeks to change attitudes, awareness, and most importantly, behavior, when it comes to roadway littering.


  • Tens of thousands of bags of litter are picked up from Valley freeways every year. That means about 300 bags of trash are collected every weekday, equating to about 800,000 lbs. of trash.
  • Litter is costly:
    • It costs the state about $3 million each year to collect litter from Valley freeways.
    • Litter costs us when it impacts our ability to attract new businesses and tourists.
    • Litter costs us in lost productivity, congestion and traffic delays when we sit in traffic due to litter in the lanes.
    • Litter in the form of dangerous debris costs lives. About 51,000 accidents occur each year from road debris, injuring 10,000 and killing about 125.
  • Litter is harmful to the environment. The chemicals in the litter can contaminate the ground and water, and can also clog storm drains.

We hope that as you learn more about the impacts of litter in our region, you will take action by refraining from littering and helping us spread the word:

Don’t Trash Arizona!