Mason County, WA Traffic and Road Conditions

 

Mason County Traffic Map

No Traffic Flow? Zoom in Closer

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 or no 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.

* In known extreme weather events or accidents, the map provider may still show green lines, even if lanes or the entire road is closed.

Click any alert icons on the map to see info.

Mason County Traffic Alerts

For official WA traffic info visit: Washington State Real-time Travel Data site

WSDOT Traffic on Twitter

@wsdot_traffic twitter icon

On the I-5 northbound & southbound off-ramp to West Seattle Freeway there is a collision blocking the ramp.

Mar 22, 2023, 1:15 am PDT replyretweetfavorite
@wsdot_traffic twitter icon

On I-5 northbound just north of Iowa St there is a collision blocking the right lane.

Mar 21, 2023, 10:05 pm PDT replyretweetfavorite
@wsdot_traffic twitter icon

On I-90 westbound just east of I-405 there is a collision blocking the right center lane.

Mar 21, 2023, 6:30 pm PDT replyretweetfavorite
@wsdot_traffic twitter icon

Here's a look at the collision SR 167 northbound just south of I-405 in #Renton blocking the 2 right lanes. Fire a… https://t.co/EsPyHCw2tY

Mar 21, 2023, 6:04 pm PDT replyretweetfavorite
@wsdot_traffic twitter icon

On the SR 167 southbound off-ramp to S 277th St there is a disabled vehicle blocking the center lane.

Mar 21, 2023, 6:00 pm PDT replyretweetfavorite
@wsdot_traffic twitter icon

On SR 167 northbound just south of I-405 there is a collision blocking the center lane.

Mar 21, 2023, 5:55 pm PDT replyretweetfavorite
@wsdot_traffic twitter icon

Cleared 5:53 PM : On I-5 southbound at SR 18 there is a disabled vehicle blocking the left center lane.

Mar 21, 2023, 5:55 pm PDT replyretweetfavorite
@wsdot_traffic twitter icon

CLEARED: This collision on I-5 southbound just north of Boeing Access Rd is now clear. All lanes are open. There… https://t.co/W8PiZrZ5SH

Mar 21, 2023, 5:50 pm PDT replyretweetfavorite
@wsdot_traffic twitter icon

Cleared 5:30 PM : On the I-405 northbound off-ramp to SR 520 there is a disabled vehicle blocking the left lane.

Mar 21, 2023, 5:30 pm PDT replyretweetfavorite
@wsdot_traffic twitter icon

On SR 518 westbound just west of I-5 there is a disabled vehicle blocking the left lane.

Mar 21, 2023, 5:25 pm PDT replyretweetfavorite

Currently

A Few Clouds 34°F
29.74in
Barometer
97%
Humidity
North 0.0mph
Wind
A Few Clouds

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