Use of Pavement Studs (Raised and Flat) on Concrete and Asphalt Paved Roads. Category: Department OrderSub Category: construction-materialsSeries: 2009No: 36File: DO_036_S2009.pdfDate: Wednesday, August 12, 2009Tags: Use Pavement Studs Raised Flat Concrete Asphalt Paved Roads materials 036 Read more about Use of Pavement Studs (Raised and Flat) on Concrete and Asphalt Paved Roads.