This is Realistic California Highways Mod made by stoked_dude for ATS.
And here is update 2.0.1 of the CanaDream map, which is actually the older Mexuscan map.
Here is version 2.1.1 of the Viva Mexico Map mod made by hugoces for ATS, 1.5 tested.
As you know Coast to Coast map is now in beta re-scaling process and here is patch 4.0 for small fixes.
This mod adds scenery to the I-80 from the Coast to Coast map.