Fish oil spill on I-5 in Lynnwood causes delays for northbound commuters


A truck leaking fish oil created a traffic mess for commuters heading northbound on I-5 through Snohomish County on Friday afternoon.

The biggest part of the spill was near the 164th Street Southwest off-ramp in Lynnwood and was reported around 2:30 p.m. The right center lane of I-5 was darkened by fish oil as far back as 205th Street Southwest near Edmonds.

The spill created about 6.5 miles of backup, according to the Washington State Department of Transportation (WSDOT). Cleanup crews were in the area for about an hour and cleared the scene just before 4 p.m. The right lane was blocked during cleanup.

WSDOT also warned of potentially slippery conditions as a result of the oil spill, though no collisions were reported in the area after the spill.


  1. It was incredibly slick. I am happy and so surprised nobody had an accident. I know a lot of us were sliding around quite a bit.

  2. I can’t get the fish oil off my car and it still stinks. I’ve washed it twice myself and took it to a professional car wash with no luck. Any suggestions? Anybody know who was responsible for the fish oil spill?

      • Mineral oil too but then you have to wash the car with soap bc the mineral oil will leave a residue. There are car soap recipes online that use a combination so you just wash once. But I recommend test spot to see if dawn takes the fish oil away, if not try a little mineral oil on a clothe. That should work but be careful not to take the protective varnish off your too. What a smelly mess, good luck!


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