A selectably configurable modular labware transport system including a labware bulk overhead transport system module forming an overhead transport path. The labware bulk overhead transport system module has a labware support, with at least a movable part of the labware support being configured to support labware thereon, and move longitudinally defining the overhead transport path. The labware support has more than one labware holding stations for holding a labware piece, each of the labware holding stations having a different location along the labware support and overhead transport path. The labware bulk overhead transport system module is communicably couplable to another labware bulk overhead transport system module that forms another different overhead transport path, and effects undisrupted transport of the labware throughout the overhead transport path with the labware bulk overhead transport system module both coupled to and uncoupled from the other labware bulk overhead transport system module.