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MassCommute Car-Free Day

Every year on September 22, cities around the world celebrate World Car-Free Day.

MassCommute challenges commuters across Massachusetts to take the Car-Free pledge to be part of a global movement and help to create a greener Massachusetts. Commuters leave the car behind and use an eco-friendly mode of transportation for the day, such as biking, walking, public transit, ferry, telework, carpooling, or shuttles.

  • Car-Free Day Results 2025

    In 2025, Car-Free Day brought together 1,749 Massachusetts commuters who saved 32,916 miles, $28K, and 16 tons of GHG emissions, just by choosing sustainable transportation.

  • Car-Free Day Results 2024

    1,560 Massachusetts commuters came together for Car-Free Day 2024 and saved 28,140 miles, $16.6K, and 11.6 tons of GHG emissions, just by leaving the car behind for a day!

  • Car-Free Day Results 2023

    With a remarkable 2,165 car-free pledges, Massachusetts saw significant environmental benefits. Commuters saved 34,046 miles, $17.7K, and 26.4K lbs of GHG emissions.

MassCommute Webinars

Learn about Transportation Demand Management with us.

  • MassCommute 2023 Webinar

    Influencing Travel Choice in Massachusetts - A Transportation Demand Management (TDM) Webinar

    View the webinar.