Diverging Diamond Interchange comes to Washington State

WSDOT will build the state’s first Diverging Diamond Interchange (DDI) at Interstate 5 and State Route 510 in Lacey. DDI’s are a proven way to move more people and reduce the potential for collisions by reducing conflict points. This project is scheduled to begin in the 2018 construction season.

Sign up for information about this project: https://public.govdelivery.com/accounts/WADOT/subscriber/new?topic_id=WADOT_536

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