A six-vehicle crash snarled traffic on northbound Highway 101 Monday during the evening commute, CHP officials said.

The chain-reaction collision was reported at 5:02 p.m. just north of the Todd Road exit, according to the CHP.

One person reported suffering a nose bleed after hitting his or her face on the steering wheel, according to initial reports.

Traffic was backed up as south as the Cotati grade, according to a passing southbound motorist.

All lanes were clear by about 5:45 p.m.

Largest North Coast Wildfires

2017-Tubbs fire- approximately 36,432 acres in Sonoma and Napa Counties. 92% contained as of Oct. 19.


2017-Nuns Fire- approximately 54 thousand acres- 34,398 in Sonoma County and 20,025 in Napa county. 80% contained as of Oct. 19.


2017-Atlas Fire- approximately 51,624 acres in Napa and Sonoma Counties. 85% contained as of Oct. 19.


2017-Redwood Fire- approximately 36,523 acres in Mendocino County. 85% contained as of Oct. 19.


2017-Pocket Fire-approximately 14,225 acres in Sonoma County. 63% contained as of Oct. 19.


2017-Sulphur Fire-approximately 2,207 acres in Lake County. 96% contained as of Oct. 19.


(TOTAL North Bay fires as of Oct. 18.- 195,434 acres)

2015- Valley Fire burnt 76,067 acres in Lake County. A total of 1,955 structures were destroyed.

2012- North Pass Fire- approximately 41,983 acres in Mendocino County.

2004- Rumsey fire- 39,138 acres in Napa and Yolo counties.

1996- Fork fire, the largest fire on record, burned through approximately 83,057 acres in Lake County. Much of the devastation was focused in the Mendocino National Forest.

1981- Atlas Peak Fire- approximately 23 thousand acres in Napa County.

1981- Cow Mountain Fire- approximately 25,534 acres in Lake and Mendocino counties.

1964- Hanly Fire- approximately 52,700 acres in Sonoma and Napa Counties. 84 homes, 24 summer cabins and countless farm buildings destroyed including the historic Tubbs Mansion.

1964- Nunns Canyon- approximately 7,000 acres in Sonoma County.

-Source: CAL Fire