That bus leaves cornerstone at 45 after every hour. It usually get to Harvard Ave between 5 til and the top of the hour. If you wanna go downtown it leave giant eagle at 15 after each hour.
Yes call the number for sarta and it'll direct you to pinpoint, then punch in the stop ID and it'll tell you the schedule for that stop.
Not sure but if you text the bus stop id to the number on the sign it will tell you when the next bus is coming around
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