On December 1, significant lane closures will disrupt traffic on Interstate 5, State Route 99, and State Route 520 in Seattle due to the 2024 University of Washington Medicine Seattle Marathon. Local authorities anticipate substantial delays, especially as the marathon draws thousands of participants and spectators to the city. This event will not only impact the marathon attendees but also regular commuters who rely on these highways for daily travel. Residents are urged to plan their routes accordingly and consider alternative paths to avoid congestion. In light of the expected traffic disruptions, local news sources will provide updates leading up to the event.

The Seattle Marathon showcases the city's commitment to promoting health and fitness, but it also necessitates significant logistical planning. As the marathon approaches, staying updated on closure times and traffic conditions will be crucial for those navigating the area. Commuters should prioritize flexibility in their travel plans to accommodate the changes.