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An overnight brush fire along northbound Interstate 5 in SeaTac created big problems for drivers on the Monday morning commute.

Three lanes were closed for much of the morning as firefighters battled the 2-to-3 acre fire between Orillia Road and Southcenter. One lane remained closed as of 8:30 a.m., leading to backups that stretched at least seven miles.

As of 8:30 a.m., the drive time from Federal Way-to-Seattle was 73 minutes. But at the height of rush hour, it was almost two hours.

Alternate routes to try include State Route 99, SR 167 and the West Valley Highway, but those were quickly getting clogged with regular Monday commuters and people trying to avoid I-5.

The cause of the fire was not immediately known, but firefighters are using this as a reminder to drivers that extreme fire conditions currently exist. They are reminding drivers and passengers not to toss their cigarettes as they are driving and to make sure they are not dragging anything that could cause sparks.

If you see a brush fire along the road, no matter how small, call 911.

Related: Download the KING 5 traffic app

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