Giant foam blocks are seen along I-5 between Portland Avenue and Port of Tacoma road in Tacoma, Wash., on Friday, Aug. 10.
Giant foam blocks are seen along I-5 between Portland Avenue and Port of Tacoma road in Tacoma, Wash., on Friday, Aug. 10. Joshua Bessex joshua.bessex@gateline.com
Giant foam blocks are seen along I-5 between Portland Avenue and Port of Tacoma road in Tacoma, Wash., on Friday, Aug. 10. Joshua Bessex joshua.bessex@gateline.com

What are those big, foam blocks along I-5, and why is WSDOT using them?

August 12, 2018 10:00 AM