WSDOT investigates leak above southbound lanes of SR 99 tunnel

Crews are investigating a leak that was found Friday afternoon above the southbound lanes of the SR 99 tunnel.

SEATTLE — Crews are investigating a leak that was found Friday afternoon above the southbound lanes of the SR 99 tunnel.

WSDOT officials said the leak is not from the sprinkler system but from above the tunnel.

Seattle fire crews discovered the leak, according to WSDOT.

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Officials said monthly maintenance is scheduled for southbound lanes Friday night.