(Four WS-relevant views; more cams on the WSB Traffic page)
So far, no incidents this Friday morning.

SATURDAY NIGHT VIADUCT CLOSURE: Here’s the latest from WSDOT – the northbound Alaskan Way Viaduct will close 6-9 pm tomorrow night for the Seafair Pirate Run.

SATURDAY TRANSIT ALERTS: For the run and the Seafair Torchlight Parade downtown, road closures will affect transit service mid-afternoon through late evening.

CITYWIDE WEEKEND NOTES: Here’s SDOT‘s roundup of events that might affect traffic, including a mention of the Alki Art Fair on Saturday/Sunday – no road closures; shuttle-bus service is available.