Please review our Partnership Guidelines and Partnership Program Information Guide before submitting your proposal.

All proposals are reviewed weekly. Please allow 3-5 business days for a response to your inquiry.

Notice: Sound Transit is a public agency and is subject to the State of Washington's Public Records Act (RCW 42.56.070). Any comments submitted via this form may be made available to anyone requesting them. Read our privacy notice to learn more.

We are open to all ideas but prioritize partnerships focused on providing a better passenger experience for our riders.