Greenroads Manual

PT-4: Cool Pavement

5 points

Goal

Reduce contribution to localized increased air temperatures due to pavement reflectance and minimize stormwater runoff temperatures.

Requirements

Use a pavement surface with a minimum albedo of 0.3 (measured using ASTM E 903) for a minimum of 50% of the total project pavement surfacing by area.

OR

Use a porous pavement or pavers for a minimum of 50% of the total project pavement surfacing by area.

In either case, the surfaces intended for use by vehicles (e.g., roads, parking lots) must all be included in the calculation. Other surfaces (e.g., sidewalks) may be included if desired. A combination of materials may be used to meet the 50% area requirement.

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