Time-lapse video shows process of Alaskan Way Viaduct demolition along Seattle waterfront

The Seattle waterfront has opened up as demolition on the Alaskan Way Viaduct continues.

The area of Alaskan Way between Spring and Marion streets has concluded, with the surrounding blocks nearing completion. The result: a clear view from buildings along Western Avenue to the water.

The months-long transformation can be seen in one minute in a time-lapse video by the Washington State Department of Transportation released Tuesday shows the months-long transformation in one minute. The video, embedded below, shows the process from demolition preparations, to demolition, to the reopening of a roadway.

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Viaduct removal is done in three stages, the WSDOT said in a Tuesday blog post. First, the area of the elevated roadway needs to be prepared, then the road is demolished. Finally, the work zone needs to be cleared and restored.

Chunks of debris from the viaduct, meanwhile, is hauled away to be separated into rebar and concrete. The concrete rubble is broken down to smaller pieces so it can be used to fill the Battery Street Tunnel, which closed to traffic as the new state Route 99 tunnel opened a few months ago.

Restoring the roadway includes such tasks as removing the "crush pad" placed on the ground before demolition to protect the street and utilities beneath it, as well as filling in the foundations that once supported the viaduct.

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Once the roadway is clear, it's repaved and re-striped before it is re-opened to pedestrians and parking.

Crews had demolished half of the viaduct and remained on-track to finish most of the demolition this summer. Within the next two weeks, crews were expected to head south from King Street toward Pioneer Square.