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
🚨3:10 p.m. UPDATE🚨 The northbound SR 99 tunnel exit diversion onto Republican Street is clear. Northbound travelers… https://t.co/2TJ5Pd5l7b
On SR 523 eastbound at 26th Ave NE there is a collision blocking the left lane.
Cleared 1:58 PM : On I-5 southbound just south of Columbian Way there is a collision blocking the right lane.
Here is why traffic is being diverted off northbound SR 99 from the tunnel -- @SeattleFire response. Thank you to o… https://t.co/YeOIsdNUgO
Here is an image from inside the northbound lanes of the SR 99 tunnel. We are diverting travel off SR 99 and onto R… https://t.co/dDjIGCcQqY
The SB SR 99 tunnel is closed at this time. The northbound tunnel remains open. However, northbound traveler at the… https://t.co/rfDttJTLoY
On SR 99 southbound at Ward St there is an incident blocking all lanes.
Done-On SR 99 northbound & southbound at 1st Ave S Bridge all lanes closed today at 10:50 AM for boat traffic.
On SR 99 northbound & southbound at 1st Ave S Bridge all lanes closed today at 10:50 AM for boat traffic.
Currently
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51°F |
29.91in
Barometer 89%
Humidity South 9.2mph Wind |
| Fog/Mist | ||
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