If you normally get to TIS via the Ross Island Bridge or Macadam (to SW Kelly), you might want to do the drive before school starts to assess the impact of construction on SW Kelly. Driving north on Kelly you can no longer turn into Corbett St, but keep going just one block and turn right immediately after the bright blue building. Then take your first right - Arthur Street campus is on your right. Pass our Arthur bldg, then turn left at the T to get to the main campus.
Click here for the city's project explanation & detailed maps.