SoundCast is a travel demand model system built for the Puget Sound Region. The model depicts diverse human travel behavior and includes travel sensitivity to land use and the built environment.
Read the User's Guide to learn how to install and run Soundcast.
Download official code releases and inputs.
The most current official release is v4.0_2026_2050_RTP_may2026, which was used for the 2026-2050 Regional Transportation Plan.