General Question

ava's avatar

What is a "sig" alert?

Asked by ava (982points) January 8th, 2008 from iPhone
Observing members: 0 Composing members: 0

2 Answers

sinscriven's avatar

A sigalert is any sort of unexpected event that may interfere with traffic for a half hour or more, like a traffic collision, or a stalled car blocking lanes, etc.

sndfreQ's avatar

Wiki says: A Sig Alert is defined by the California Highway Patrol as “any unplanned event that causes the closing of one lane of traffic for 30 minutes or more, as opposed to a planned event like road construction, which is planned separately.”

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