On straight sections of track, support is either by span wires, or (if road width & aesthetic restrictions permit) by using cantilevers. Where these are used, they are typically designed to be aesthetically sympathetic to their surroundings.
At curves & junctions there are more sophisticated span wire connections than on conventional OLE to achieve the required contact wire position; multiple span wires may be anchored at a single point & wire runs may have pull-offs connecting them together.