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Tunnel & Viaduct Access

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This ticket provides access to the Step Forward celebration in the new SR 99 tunnel and on the viaduct. Access to the tunnel is from Portal A at the North Hub. Tunnel access includes either a 2-mile walk from the north portal to the south portal (with moderate incline), or a shorter (less than half a mile) turnaround option from the north portal. Access to the viaduct is from Portal B: Battery Street Tunnel or Portal C: Seneca Street. If you would like to access the viaduct first or access the viaduct or tunnel only, please select an alternate ticket.

Step Forward offers activities from the Space Needle to the stadiums. If you haven’t done so already, please visit the Step Forward website at 99stepforward.com for additional information and to help plan your day.


Make sure to explore all available ticket times. If your preferred time is no longer available, we encourage you to select the nearest alternative time.

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