Yes. The defintion of a speed trap is when the posted signs indicate a speed lower than what an engineering traffic survey (ETS) found to be the safe speed AND an officer then writes a ticket based on that low speed. See Section 40802 of the CA vehicle code.
no it is sadly not illegal.
If you are referring to a street-racing burnout...it is technically an "Exibition of Speed"...which is illegal just about EVERYWHERE except on a racetrack.
Most places I would say yes, but they have some crazy laws out in the land of fruits and nuts.
Impossible to answer: So-called "speed traps" can be set-up and taken down in minutes, at ANY time, ANYWHERE.
no. they're legal and not regulated, but police tend to lean to towards the citation side instead of the warning side when they see them
You can't. Owning a ferret is illegal in California and Hawaii.
cause ist causes constipation
Sugar gliders are illegal in all of California.
Only switchblades are illegal in California.
It is illegal to break the speed limit on public roads.
No, hedgehogs are illegal in California.
Yes, they are still illegal.