Mason County, WA Traffic and Road Conditions
Mason County Traffic Map
How to use the Mason County Traffic Map
Traffic flow lines: Red lines = Heavy traffic flow, Yellow/Orange lines = Medium flow and Green = normal traffic. Black lines or No traffic flow lines could indicate a closed road, but in most cases it means that either there is not enough vehicle flow to register or traffic isn't monitored. Also, If you do not see traffic flow, you can zoom in closer to reveal localized data. If you are unable to pan the map, press here (to focus off of the map) and try again.
Traffic Incidents (beta): Each dot represents a traffic event or incident such as road construction, closure or accident. At closer zoom levels, those dots can be pressed to see more info. Once a layer of traffic info has popped-up, be sure to press/click any additional arrows (e.g. 1 of 3) in the top right above the title to see other the details of the impact.
Impact Legend: 
Critical 
Major 
Minor 
Low
Traffic Alert
- 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.
#Edmonds: The closure of SR 99 will be between 220th and 236th Street Southwest as police respond. Please avoid the… https://t.co/5ILivsL7jJ
On I-405 southbound just north of Coal Creek Pkwy there is a disabled vehicle partially blocking the HOV lane.
Currently
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76°F |
29.99in
Barometer 52%
Humidity East 3.5mph Wind |
| Fair | ||
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