Manhole Risers

Inclined Curb Inlet Risers.
Inclined Curb Inlet Risers.
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Asphalt overlays are one of the most common and well-studied roadway projects, so innovation seems unlikely, especially the kind of new idea that…
October 20, 2020
"It takes five minutes, tops, and we’ve never had one fail."
"It takes five minutes, tops, and we’ve never had one fail."
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With a population of 270,000, Greensboro, North Carolina, is a genuinely big city, and it’s also part of the Piedmont Triad, the nation’s 30th…
September 16, 2020
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Hickory is a nice small town, population 40,000, in Catawba County, North Carolina. Like any town, anywhere, the public works department has to keep…
July 09, 2020
Jeff Kresnak, owner and CEO of Superior Asphalt Inc., started his firm in 1983 when he was just 16, and 36 years later it has grown into an operation…
May 28, 2020
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American Highway’s “Pivoted Turnbuckle” manhole riser will reduce cost and streamline the adjusting of utilities when paving.  Once installed, its…
April 21, 2020
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American Highway Products' unique “pivoted turnbuckle” mechanical linkage ensures a reliable pressed-in bearing fit, providing a worry-free lifetime…
April 21, 2020
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The Manhole Safety Ramp from American Highway Products allows smooth, safe passage for motorists over manholes. Made of tough, durable, recycled…
April 19, 2020
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New Philadelphia, Ohio—population 17,000—is the county seat of Tuscarawas County and the very picture of small-town Midwest America. It is historical…
April 09, 2020
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