Valentine Diners - Arizona
- Business name: Highway Diner
- Street address: 320 East Second
- Open or closed: Closed
- History: This 9-stool diner, like the Pit a few blocks away, probably opened around 1946 when it was ordered from Valentine by Mayor J. Lester Allen. It also has been called Monday's Cafe and Irene's. The building received a grant for its restoration in 2008.
- Model / serial number: Nifty-Nine / Unknown