[[File:PICPDouble.png|frame|Permeable Interlocking Concrete Pavers (PICP) on a road with concrete edge restraints separating the impervious and permeable pavements (source: STEP)]]
* Permeable interlocking pavers (concrete and composite materials)
* Permeable interlocking pavers (concrete and composite materials)
* Permeable grid systems (concrete or composite materials)
* Permeable grid systems (concrete or composite materials)