Climate change & transportation

Learn how we are addressing climate change as an agency and how you can get involved. 

Understanding future climate threats is essential for a safe and sustainable transportation system.

Learn about how we are working to reduce greenhouse gas emissions across the state.

Find examples of sustainability practices that we do in our work every day.

166,800 electric vehicle

registrations in Washington in 2023, up from 114,600 in 2022.

87 wetland compensation sites

actively monitored on 918 acres in 2023.

25,000 safe animal crossings

in the Snoqualmie Pass East Project area since 2014.