Jurisdiction and the Traffic Laws in California?

Ok I need to figure this out. Let just say that If you are driving on the Santa Monica Freeway and you are speeding. Who has the jurisdiction to pull you over and write you a ticket? I know CHP but does LAPD or LASD also have the jurisdiction to do that as well. if you are within their city or county... show more Ok I need to figure this out. Let just say that If you are driving on the Santa Monica Freeway and you are speeding. Who has the jurisdiction to pull you over and write you a ticket? I know CHP but does LAPD or LASD also have the jurisdiction to do that as well. if you are within their city or county limits?

Same thing question but this time on a city road like Sunset Bl. Does CHP have the jurisdiction to pull you over and write you a ticket? Thanks
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