The Washington State Department of Transportation has announced that northbound I-405 will be closed from State Route 522 to SR 527 this weekend, starting at 11 p. m. on Friday, September 20, and reopening at 5 a. m. on Monday, September 23.

This closure is part of essential maintenance work aimed at improving road safety and traffic flow on this busy corridor. Motorists planning to travel through Lynnwood during this time are strongly advised to consider alternate routes to mitigate potential delays. A detailed map has been released to help drivers navigate the detour effectively. The closure reflects ongoing efforts by local authorities to maintain and enhance the infrastructure in the region. As the weekend approaches, residents and commuters alike are reminded to stay informed about travel conditions.

This event underscores the importance of proactive maintenance in ensuring safe travel for all. The Washington State Department of Transportation continues to prioritize improvements that benefit the community.