Based on youngjustceheadcanon 256. The Zeta Tube in Star City is disguised as the TARDIS. The Arrow Family loves Doctor Who.
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Artemis couldn't believe her eyes.
"Is this what I think it is?"
"Yup"
"So the Zeta Tube is a-"
"Yup"
"And I'm guessing you're a-"
"Yup"
After a moment of silence, her 'uncle' added "TARDIS's are cool."
And with that Artemis laughed for the first time since she began this hero gig and stepped through the phone box to return home.
Just a one-shot on Artemis's first encounter with the TARDIS Zeta Tube. This is right in the beginning of her becoming a hero and before she joined the team.
I feel like she'd be a huge Who fan as well :P