Mason County, WA Traffic and Road Conditions
- Click or touch the map to move in different directions.
- If you do not see any markers on the map, try zooming in one or two levels using "+" on the top left side. However, they are not always available.
- Click an incident icon on the map to get more information.
Mason County Traffic Alerts
WSDOT Traffic on Twitter
On I-405 southbound just south of 112th Ave SE there is a collision blocking the HOV lane.
Update 6:14 PM : On I-5 northbound just north of SR 520 there is a disabled vehicle partially blocking the right lane.
On I-5 southbound just north of W Seattle Bridge there is a disabled vehicle blocking the right lane.
On the I-5 southbound on-ramp from Columbian Way there is a collision partially blocking the ramp.
On I-5 northbound at SR 528 there is a collision blocking the left lane.
On I-405 southbound just north of Coal Creek Pkwy there is a disabled vehicle partially blocking the HOV lane.