Available times for check points on the freeway (in Orange County, CA) for things like DUI?

Question

Does anyone know the availible times for check points on freeway close to fairview and harbor exits? Check points for DUI. In the county of Orange in CA. This question is in regards of a friend of mind. Thank you. (urgent anwser needed thank you)

Answer 1

Usually its advertised in the news paper before they do it

Answer 2

For DUI Checkpoint Locations and Times go to:

http://www.DUIBlock.com