What is typically indicated on a service sign along the highway that pertains to food?

The option indicating "Food options" is correct because service signs along highways specifically aim to provide travelers with information about the variety of food choices available nearby. These signs are designed to assist motorists in finding dining establishments that suit their needs, whether they are looking for fast food, sit-down restaurants, or other food-related services.

Service signs typically incorporate symbols and clear terminology to give drivers a quick understanding of what is available. While "Fast Food" and "Dining Establishments" could also be relevant categories, the term "Food options" encompasses a broader spectrum of available eating places, making it a more accurate representation of the information provided on highway service signs. Similarly, while "Grocery Store" is related to food, it tends to indicate a market rather than a dining option, which would not align as closely with the intended purpose of service signage for travelers seeking meal options.