Stop in for a cup of coffee

HIA has it but you have to have access to the tarmack to get it so unless you work there or have a aircraft there forget it. Those rules went into effect about when TSA came around.
Not like I'm driving that far for gas anyway.
A little research shows I have an airport 8.2 miles from me with 100ll for 5.10/gallon. It is a 'public' airport, but don't know if I can walk in there with a gas can...