Final answer:
La Jolla Playhouse in Southern California is a notable Regional Theatre that has won a Regional Tony Award. It is known for producing both classic plays and innovative new works, some of which transfer to Broadway.
Step-by-step explanation:
In the rich landscape of Regional Theatres, several have been recognized with the prestigious Regional Tony Award. Specifically in Southern California, La Jolla Playhouse has been a recipient of this honor.
As part of the larger network of over 1400 Regional Theatres, La Jolla Playhouse not only produces its own seasons but is also known for fostering new works that often move on to the larger stage of Broadway.
Theatres like La Jolla Playhouse contribute significantly to the art scene by producing a mix of classics and innovative new plays, sometimes serving as a testing ground for productions that later proceed to Broadway hits such as 'Moulin Rouge!', 'Kinky Boots', 'Memphis', and 'Come From Away'.