The Texas Add-on for American Truck Simulator has 6 achievements.
Discover every city in Texas (requires Texas DLC)
View cutscenes from at least 25 viewpoints in Texas (requires Texas DLC)
Discover at least 30 historical markers in Texas (requires Texas DLC)
Deliver cargo to or from all shipyards and cargo ports in Texas (requires Texas DLC)
Deliver cargo to or from all farms and livestock auctions in Texas (requires Texas DLC)
Complete 10 deliveries of at least one Cotton Lint, Cotton Seed and Cotton Harvester within Texas (requires Texas and Heavy Cargo Pack DLCs)