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 layer has popped-up, be sure to press/click the bold title to expand 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 SR 18 eastbound & westbound just west of I-90 there is a collision blocking all lanes.
On SR 523 westbound at 1st Ave NE there is a disabled vehicle blocking the right lane.
On the I-5 northbound on-ramp from S Michigan St there is a collision partially blocking the ramp.
On I-5 northbound just south of N Northgate Way there is a collision blocking the right lane and the right center lane.
On I-5 northbound just south of I-90 there is a collision blocking the right lane.
On I-5 northbound at NE 175th St there is a disabled vehicle blocking the right lane.
On SR 20 eastbound at Helmick Rd there is a collision blocking all lanes.
On the I-5 northbound express lanes on-ramp from Mercer St there is a collision partially blocking the ramp.
Update 9:14 PM : On SR 20 eastbound at Banta Rd there is a collision blocking all lanes.
Currently
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47°F |
29.96in
Barometer 93%
Humidity North 0.0mph Wind |
| Fog/Mist | ||
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