Traditionally with new map DLC we get World of Trucks event, with the same mechanics and rules. So if you ever cruised the country or state you can guess details and rewards.

Community goal – 125,000,000 driven miles while delivering cargo to or from any city in Iowa.
All routes have to be more that 100 miles and only with External Contracts or External Market, with a World of Trucks-connected profile in American Truck Simulator.
Personal goal – delivery to or from 12 different Iowa cities.
Rewards:
Personal: Players that deliver cargo to or from 12 Iowa cities will gain a personal World of Trucks Achievement and a Golden Flight ATS truck paint job Steam inventory item.

Community: When the community goal of driving 125,000,000 miles (201,168,000 km) during deliveries to or from any city in Iowa is met, and if the player has also achieved their personal goal, then they will receive a Porcelain Wild Rose hanging ornament Steam inventory item.