Why was there 62% more semi crashes in Washington last year?

Have you wondered if there have been more semi-truck crashes than usual in Washington State? In 2017, after a spate of high-profile semi crashes in Washington that resulted in serious injuries and/or closed major highways for hours, we looked into this question. The Washington State Patrol's Collision Analysis Tool shows 1087 semi crashes met the damage threshold for reporting in 2017. [...]