All-electronic tolling will begin on the floating section of the SR 520 bridge in Spring of 2011. The revenue generated from tolls will help build a new, more reliable, safer bridge in 2014.
When tolling begins in 2011 you'll travel across the bridge just like you do today. As you pass through the tolling area at regular highway speeds the system automatically detects your Good To Go! Pass (transponder) or license plate going both directions. The proper amount is then deducted from your Good To Go! tolling account. Those without a pass such as visitors or other infrequent users will be billed by mail.