What does the double arrow mean in roulette?

**Andrew A** asked:

On Wikipedia: http://en.wikipedia.org/wiki/Roulette#Board_depiction_.28American_Roulette.29

there’s a double ended arrow between the 0 and the 00 in the board depiction. What does this mean, and what are the odds?

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Thats for when you play the line, the numbers in between those points. Its payoff is 17-1

that spot is not on a casino roulette board. That is just a graphic for Wikipedia. I does mean a split however for both 0 and 00.

It means that you can split the two numbers (which pays 17 to 1). The arrows on that model aren’t really there on a roulette table, but are shown in the model to show street (ie. one of the lines of 3 numbers) and column (one of the three rows of 12 numbers) bets. The 0 and 00 dont fit into the 12 by 3 grid with the other numbers, so they are in a line of 2 numbers instead of 3 numbers. Since there is no 3rd number in that row, you cannot place a street bet (covering all 3 numbers in the row), but are left betting on only two numbers, which makes it a split bet instead of a street bet. The drawing is just illustrating that you can split the numbers 0 and 00.