>>In Dallas, Texas, there is La Jolla Street, which runs through a
>>variety of neighborhoods, and has been spelled three separate ways on
>>street signs (La Jolla, La Hoya, and La Joya)
>
>So how is it pronounced? La "haul-a"? La "hoy-a"?

I believe, that it's pronounced like La Jolla, California, is. That is, "La Hoy-a." This being Texas, however, I am sure there is some subset of the populace that tries to pronounce it with a J, like "jolly" or "joy." And thusly, it's possible that they think it's three different streets.

Ebony the Black Dragon

"Life is like an anole. Sometimes it's green. Sometimes it's brown. But it's always a small Caribbean lizard."