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  2. Permeable paving - Wikipedia

    en.wikipedia.org/wiki/Permeable_paving

    Single-sized aggregate without any binder, e.g. loose gravel, stone-chippings, is another alternative. Although it can only be safely used in walkways and very low-speed, low-traffic settings, e.g. car-parks and drives, its potential cumulative area is great. [citation needed]

  3. 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 ...

  4. 10 Cities With the Worst Pothole Problems in America

    www.aol.com/10-cities-worst-pothole-problems...

    Here are the top 10 places in the U.S. with the most tweets complaining about potholes per 100km (62 miles) of road. ... The best thing to do if you spot a pothole is to ... is pothole state No. 1 ...

  5. Road signs in the United States - Wikipedia

    en.wikipedia.org/.../Road_signs_in_the_United_States

    Some signs can be localized, such as No Parking, and some are found only in state and local jurisdictions, as they are based on state or local laws, such as New York City's "Don't Block the Box" signs. These signs are in the R series of signs in the MUTCD and typically in the R series in most state supplements or state MUTCDs.

  6. Controlled low strength material - Wikipedia

    en.wikipedia.org/wiki/Controlled_low_strength...

    Since flowable fill is normally a comparatively low-strength material, there are no strict quality requirements for fly ash used in flowable fill or controlled low strength material mixtures. Fly ash is well suited for use in flowable fill mixtures. Its fine particle sizing (nonplastic silt) and spherical particle shape enhances mix flowability.

  7. Gravel road - Wikipedia

    en.wikipedia.org/wiki/Gravel_road

    A good gravel for a gravel road will have a higher percentage of fines than gravel used as a subbase for a paved road. This often causes problems if a gravel road is paved without adding sand and gravel sized stone to dilute the percentage of fines. [6] A gravel road is quite different from a 'gravel drive', popular as private driveways in the ...

  8. Natural Falls State Park - Wikipedia

    en.wikipedia.org/wiki/Natural_Falls_State_Park

    Natural Falls State Park is a 120 acres (0.49 km 2) state-owned park in the Ozarks, in Delaware County, Oklahoma. It lies along U.S. Highway 412, near the Arkansas-Oklahoma state line. [a] The property was privately-owned and known as Dripping Springs until 1990, when the state bought it. The previous owners had also used the property as an ...

  9. Alabaster Caverns State Park - Wikipedia

    en.wikipedia.org/wiki/Alabaster_Caverns_State_Park

    Alabaster Caverns State Park is a 200-acre (0.81 km 2) state park approximately 4.5 miles (7.2 km) south of Freedom, Oklahoma, United States near Oklahoma State Highway 50. [3] The park attracted 24,706 visitors in FY 2016, The lowest count of the three parks in its part of Oklahoma.