15+ Limestone Rock Asphalt US . Jackson, nm assistant professor, the university of tennessee, knoxville, tn. Before the 20th century, the term asphaltum was also used. Driveway Blue Limestone Paving Stone from www.jiaxianglimestone.com Limestone rock asphalt can be abbreviated as lra. Edging makes an asphalt driveway look better and last longer. Have you found the page useful? Limestone rock asphalt, lra, superpave, cold mix, asphalt. Asphalt, also known as bitumen (uk: Limestone is most often used in driveway or road applications, but it. Rock that contains asphalt is known as asphalt rock. Native lra aggregate consists of limestone impregnated with naturally occurring asphalt. Source: cdn.shopify.com See more ideas about asphalt, asphalt driveway, beautiful roads. Source: cdn.shopify.com Limestone is a sedimenta...