There are three shuttle bus pick up locations that travel from T1 to T2 in loops.
Back of the SouthStar Bank Parking Lot Map
Across the Street from the Garage On Clay St. - Yes, that is literally what is called when you Google it and there is only one.
Louise Hays Park - Under Sydney Baker Bridge near gear bag check out
5 AM – 9 AM Buses will Loop Stop A – Stop B. Approx every 12 mins.
9 AM – 12 PM Buses will add in pick up from the Finish Festival with extra stops at the parking garage, the loop will be: Stop C – Stop B – Stop A – Stop B. Approx every 17 mins.
5 AM – 9:30 AM Buses will Loop Stop A – Stop B. Approx every 12 mins.
9:30 AM – 5:00 PM Buses will add in pick up from the Finish Festival with extra stops at the parking garage, the loop will be: Stop C – Stop B – Stop A – Stop B. Approx every 17 mins.
If you want to visit T2 in the morning you will have to walk across the bridge from the parking lot, approx a quarter-mile. There is no driving into the park and there are no shuttle buses until the times listed above.
Shuttle buses are provided each race day to everyone, including spectators. While bikes can go on the shuttle it is not recommended. People will take priority over bikes. If you parked at T1 take the shuttle back to your car and then drive back to pick up your bike.