UPDATE (2:35 p.m.) - The fire has been extinguished and all northbound lanes of traffic are open.
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(2:19 p.m.) - A brush fire was affecting traffic on Highway 101 near the Santa Maria Speedway on Wednesday afternoon.
The fire was reported shortly after 2 p.m. along the northbound lanes.
This is a developing story and will be updated with new information as it becomes available.
