Turn signals are definitely preferred. Most drivers don't look for hand signals, but, they do look for turn signals. Some people don't even know how to make correct hand signals while driving.
Use hand signals.
If you mean turn signal hand signals, then yes.
No, turn signals are required on the vehicle.
No, but you will need to use hand signals.
If you don't have turn signal lights then you must use hand signals.
Required by law (motorcycles manufactured before 1973 are not required to be equipped with turn signals.)
Yes, it is legal to use hand signals when driving. In fact if your turn signal goes out you should use hand signals.
If your turn signals break, you can use hand signals to indicate your intentions while driving. To signal a left turn, extend your left arm straight out the window. To signal a right turn, extend your left arm out the window and bend it upward at a 90-degree angle.
The PA Motor Vehicle Code, § 3334. Turning movements and required signals- says that you will use your turn signals or hand signals when you are turning or changing lanes.
yes
Hand signals are to this day a legal form of traffic control devices.
To effectively signal your turns while riding a bicycle, use hand signals and turn signals. Extend your left arm straight out to signal a left turn, and your right arm straight out to signal a right turn. You can also use a bicycle-mounted turn signal device for added visibility. Remember to always check for traffic before making your turn.