This time lapse shows work to connect new on- and off-ramps at South Royal Brougham Way to the SR 99 tunnel. Sections of the ramps was buried underground in 2014 so a construction detour could be built above it to keep SR 99 traffic moving.

More info on Unearthing SR 99 tunnel ramps near Seattle’s stadiums

  • How much does the SR 99 Tunnel Project cost?

    The SR 99 Tunnel Project ... will connect the SR 99 tunnel with a mile-long stretch of new highway near Seattle’s stadiums at the south end of the tunnel and Aurora Avenue North at the north end of ...

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