Big rig runs off Old Adobe Road, causing grass fire

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A big rig pulling an empty trailer ran off the side of Old Adobe Road east of Petaluma Thursday, striking a power pole and bringing down wires that ignited a grass fire, the CHP said.

The driver, Phillip Morrison, 44, of Sonoma, was uninjured and managed to get out of the truck before fire engulfed the cab, CHP Officer Kimberly Lemons said in a news release.

The big rig was southbound on Old Adobe Road north of Highway 116 about 3:30 p.m. when it went off the road, down a steep embankment and into the field. The truck then struck the pole and brought down the power lines that sparked the fire, Lemons said.

Power lines also fell across both lanes of the road, prompting a closure in both directions that caused traffic detours and a major backup, she said.

Firefighters from Cal Fire and the Lakeville, Wilmar, Rancho Adobe and Petaluma fire departments responded to the grass fire.

The big rig was so badly damaged it was left in the field until special equipment can recover it, Lemons said.

Power was lost in the area for an unknown length of time, she said.

Driver fatigue is considered a factor in the incident, Lemons said.

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