Megabus to Austin from downtown?

Hey, just visiting for a couple days and I can't get answers from Megabus…I saw on the bus stop on pierce St on Google Maps that megabus is stopping to go to Austin there but their website didn't sell any tickets from there and just farout of downtown kinda places. Last articles I found are from 2021, and just mentioning the route to Dallas. I don't trust the websites as even moovit /metro websites let me down earlier today.. Thanks for your insights!