The new SR 99 tunnel under downtown Seattle

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Tolls in the tunnel

Tolling will start in fall 2019 and rates in the tunnel will range from $1 to $2.25 with a pass, depending on time of day.

Learn how tolling will work >

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Getting around using the tunnel

The new tunnel provides a direct route under downtown from the stadiums to the Space Needle. The south end connects to Alaskan Way and downtown, the north end connects to Seattle Center and South Lake Union.

Explore an interactive map >

Learn more about the tunnel and its entrances and exits >