This research was done to improve the local bitumen specifications 60-70 (Banias refinery output) using Cement Bypass DUST(CBPD) so that it becomes more resistant to high temperatures (Short- Term- Aging), in addition to reduce the harmful waste materials. The cement bypass was supplied by Tartous Cement Company and added to bitumen with different percentages namely, 12%, 14%, 16% and 18% (by the weight of bitumen). some experiments were held to determine the properties of modified and unmodified bitumen (Penetration )25, 15, 4(∁°- Ductility- Softening point), then We returned previous experiences after (Loss- on- heating test) and exposure to (Short- Term- Aging) on the modified and unmodified bitumen, and the results were within specification limits, were Compatible with previous reference studies and these additions have to improve the resistance of bitumen to high temperatures. The optimum cement Bypass Dust ratio was found to be 14% of the weight used bitumen.