Driver manual
You may make a U-turn:
*Across a double yellow line, if the turn can be made safely and legally.
In a residential district:
* if no vehicle approaching you is closer than 200 feet.
* whenever a traffic sign or signal protects you from vehicles which are close.
* At an intersection on a green light or green arrow unless a ?No U-turn? sign is posted.
On a divided highway. Don?t drive over or across any dividing section, curb, or strip. This includes:
two sets of double lines marking a center divider unless an opening is provided for turns.
the unpaved median in the middle of the freeway.