For temporary situations these are commonly used: Temporary Curbs

A profile of a typical installation of a low volume road: Profile-Layout1

We thought that these two examples would give everyone an idea of the profile needed to install asphalt.

I’ve seen it simply sprayed onto untreated soil and it wasn’t a good idea for pavement durability!

So, keep in mind that preparation is a key element for durability. Costs a little more, but it’s certainly worth it!