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2. Permeable paving - Wikipedia

   en.wikipedia.org/wiki/Permeable_paving

   Impervious concrete pavers installed with ample void space between each paver function in the same way as pervious concrete pavers as they enable stormwater to drain into the voids between each paver, either filled with coarse aggregate or vegetation, to a stone and/or soil base layer for on-site infiltration and filtering. [4]

3. Resin-bound paving - Wikipedia

   en.wikipedia.org/wiki/Resin-bound_paving

   This may also mitigate the need for planning permission when installing a resin driveway, depending on jurisdiction, as they are permeable. Resin-bound systems incorporating 6-10mm dried aggregates and larger sizes are generally used as tree surrounds known as tree pits. These are a cost-effective and practical alternative to metal tree grilles ...

4. Chipseal - Wikipedia

   en.wikipedia.org/wiki/Chipseal

   Chip seal products can be installed over gravel roads to eliminate the cost of grading, road roughness, dust, mud, and the cost of adding gravel lost from grading. Adding chip seal over gravel is about 25% of the price of resurfacing with asphalt, $170,000 for a 4-mile project done in Minnesota [6] compared to $760,000 had it been redone with ...

5. Westover sidewalk project cost jumps 167% since 2018 ... - AOL

   www.aol.com/westover-sidewalk-project-cost-jumps...

   Nov. 8—Westover was awarded a $240, 000 West Virginia Transportation Alternative Grant in 2018 to build the fifth and final phase of its Dunkard Avenue sidewalk project. The city fulfilled the ...

6. Road surface - Wikipedia

   en.wikipedia.org/wiki/Road_surface

   The decision whether to pave a gravel road or not often hinges on traffic volume. It has been found that maintenance costs for gravel roads often exceed the maintenance costs for paved or surface-treated roads when traffic volumes exceed 200 vehicles per day. [51] Pavement ends and turns into gravel surface road

7. Rain garden - Wikipedia

   en.wikipedia.org/wiki/Rain_garden

   This system proved to be highly cost-effective. Instead of a system of curbs, sidewalks, and gutters, which would have cost nearly $400,000, the planted drainage swales cost $100,000 to install. [6] This was also much more cost effective than building BMP ponds that could handle 2-, 10-, and 100-year storm events. [6]