What you're describing is L4. L4 is fully autonomous but with limitations on where/when it can operate. Level 5 is that but without restrictions. Level 2 and 3

What you're describing is L4. L4 is fully autonomous but with limitations on where/when it can operate. Level 5 is that but without restrictions. Level 2 and 3 are the mostly-automated version, and they differ in how much notice they're supposed to provide and how much attention they require.