Changes

[[File:PP IWS.gif|frame|Conceptual diagram illustrating an adjustable storage underdrain configuration beneath permeable interlocking pavers]]

[[File:PP IWS.gif|thumb|Conceptual diagram illustrating an adjustable storage underdrain configuration beneath permeable interlocking pavers]]

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==Overview==

==Overview==

Permeable pavement types include:

Permeable pavement types include:

[[File:PICPDouble.png|frame|Permeable Interlocking Concrete Pavers (PICP) on a road with concrete edge restraints separating the impervious and permeable pavements (source: STEP)]]

[[File:PICPDouble.png|thumb|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)