What to do with a dummy trolley that is way too old for your layout's era? Add some lights, signs, details, and tack on a kitchen out back.
An AC unit has been hoisted onto the roof, with ductwork from a scrap plastic sprue. The rooftop HVAC unit over the walk in cooler is a Lego block with washer fans on top. Wood furniture screwhole buttons make the two domed vents over the grill. #24 wire forms the plumbing vent stacks over the kitchen sink and rest rooms.
The diner is named for Bill Sweet and Irene, model railroad friends from Lockport NY.