Tom Pearce does not hesitate when asked about trying to drive to the Seahawks Championship Celebration.

Unseasonably warm weather aids WSDOT maintenance in Seattle. Stay informed about essential tunnel and freeway closures.

WSDOT says southbound Highway 509 just southeast of West Seattle is blocked by a crash, and vehicles are being diverted to the Myers Way exit. No other details so far. 3:48 PM: What's above is the newest image from the WSDOT traffic cam closest to the scene.

The SPD painted vivid scenarios of traffic gridlock and parking nightmares, urging fans to rely on public transportation instead.