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WASHINGTON (AP) -- Here's a couple you didn't expect to see riding the train together on a Friday afternoon: Vice President Joe Biden and Whoopi Goldberg.

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The vice president's office tweeted a photo of Biden and the Oscar-winning comedienne sitting side by side and smiling on an Amtrak train.

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Biden on Friday was scheduled to travel to his home state of Delaware Friday to accept an award from the Delaware Barristers Association. A lifelong Amtrak passenger, Biden frequently takes the train to and from weekend stays at his Delaware home.

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The vice president's office says the locomotive rendezvous was a complete coincidence.

Goldberg helped raise money for President Barack Obama's re-election. And Biden once chatted up Goldberg and her gal pals when he was a guest on ABC's "The View."