Possible Clues:

• Roadside restaurant
• Eatery with booths
• Repurposed train car, perhaps
• Locale known for its slang
• US-style eatery
• Eatery that might offer a blue plate special
• Setting of the first and last scenes of 'Pulp Fiction'
• Off-the-highway eatery
• Where hash is slung
• Type of restaurant featured in Hulu's '11.22.63'