Write a news report focusing on the upcoming weekend lane closures in Seattle and examine how these temporary shutdowns on major highways like I-5, I-405, I-90, and Highway 99 may impact local businesses and commute patterns. Incorporate perspectives from transportation officials and business owners to explore potential economic repercussions and discuss how future infrastructure improvements might alleviate these disruptions. Highlight any significant activities, such as safety maintenance and community events, that are contributing to these closures.