In a previous episode of Valley 101, producer Taylor Seely broke down the grid system of Phoenix streets. The streets in Phoenix run north and south, and east and west. This created streets that run perpendicular to each other.

However, there are always exceptions to the rule. Grand Avenue is one of those. Today we’re answering two questions submitted by listeners. First, how does a diagonal street like Grand Avenue exists in a grid system? And second, what’s so grand about Grand Avenue?

In today's episode of Valley 101, a podcast from The Arizona Republic and azcentral.com, we dive into the street's history.

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