San Diego is a city in Southern California at the border to Mexico. It is featured in the base game of American Truck Simulator. The next cities to San Diego are Carlsbad to the north and El Centro to the east.
Some buildings of the skyline in ATS are the Aria Condos, the Bank of America Plaza, the Comerica Bank Building, the Cortez Blu, the Discovery at Cortez Hill, the El Cortez Hotel (in-game name: El Gomez), the Park Place, the Symphony Towers, the Union Bank of California Building, the Vantage Pointe Condominium and some more.
San Diego is located at the ends of the , , and . I-5 runs to Carlsbad, concurrent with a minor road, and Los Angeles to the north. I-8 runs from I-5 to El Centro to the east. I-15 runs from I-8 to Ontario and Barstow to the north.
In the initial version of American Truck Simulator, Interstate 8 began at the diamond interchange in eastern San Diego, while Interstate 15 began at Interstate 10 east of Los Angeles and didn't connect to San Diego.