Sea-Tac International Airport continues to outgrow its landlocked position in King County.

As the Hanford Waste Treatment and Immobilization Plant -- more commonly referred to as the Vit Plant -- moves toward a process of turning 56 million gallons of radioactive waste into vitrified glass in 2023, the first team of chemists have already set up shop in the plant.

As 2019 turns to 2020, the construction stories that dominated the news over the past year will either carry over into the new year or give way to a new focus.

The new Roosevelt Station of Sound Transit's Northgate Link Extension is now more than 95 percent complete and quickly becoming a key component to showing that the 4.3-mile light rail extension north of downtown Seattle is on track to serve riders in 2021.

When Washington state voters passed Initiative 976, which cuts car-tab fees down to a $30 cap, transportation agencies across the state had sharp reactions.

Even as budgets get stretched and slashed for transportation across the Pacific Northwest, the effort to go high-speed when it comes to rail continues in the Cascadia region, largely thanks to Microsoft and governmental agencies.

The Interstate 5 Bridge project between Oregon and Washington is officially back. At least for now, that is.