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 the I-405 southbound on-ramp from Coal Crk Pkwy there is a collision blocking the ramp.
On I-90 westbound just east of Rainier Ave there is a disabled vehicle partially blocking the HOV lane.
Cleared 12:57 PM : On I-5 southbound just north of Mercer St there is a disabled vehicle partially blocking the right lane.
On SR 9 southbound just south of Cathcart Way there is an incident blocking the right lane.
Update 12:28 PM : On SR 520 westbound just east of Montlake Blvd there is a disabled vehicle blocking the right lane.
RT @wsdot_520: Our sentinels are shining red, white and blue this weekend in honor of #FourthofJuly! We wish you all a happy and safe holid…
On I-5 southbound just south of I-90 there is a collision partially blocking the right lane.
Currently
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62°F |
30.00in
Barometer 65%
Humidity Southwest 17.3mph Wind |
| Overcast | ||
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