The $240 million road project will widen I-5 and relieve chronic traffic congestion in the area.

A devastating multi-vehicle crash on southbound Interstate 5 (I-5) near Ferndale in Whatcom County has resulted in fatalities ...

A fatal collision on southbound Interstate 5 at Ferndale is blocking all lanes, with no estimated time for when the road will ...

State transportation officials are preparing to partially open a new interchange and roundabout near Joint Base Lewis-McChord ...

It happened near the border of Pierce and King counties.

The U.S. Coast Guard has approved a major piece of the Interstate 5 Bridge replacement plan, agreeing to a fixed-span bridge ...

The Washington State Department of Transportation (WSDOT) said it is scheduled to begin its months-long lane reductions on ...

Dashcam footage shows the moment a car became part of a 21-vehicle pileup on Interstate 5 in Milton on Monday.

By Jerry Cornfield, Washington State Standard PORTLAND, Ore. -- Washington and Oregon will not have to build a bridge with a ...

Despite federal approval and plans for contractor bids, uncertainty over escalating costs threatens the viability of the Columbia River bridge replacement project.

Newly discovered documents show the cost of replacing the century-old, seismically unstable Interstate 5 Bridge could be more than double the $6 billion estimate quoted by Interstate Bridge Replacemen ...

Washington and Oregon can go with a less expensive fixed span that provides 116 feet of clearance above the river.