Turtle or tortoise? 2024-06-05

I can’t find a turtle species that quite matches this reptile crossing the road. But the yellow inside shell isn’t like a gopher tortoise (Gopherus polyphemus).

[Turtle or tortoise?]
Turtle or tortoise?

So what is it? Tortoise or turtle? And if turtle, what kind?

I set it on the other side towards where it was going. It hissed at me.

[Side]
Side

[Front]
Front

-jsq