Irregular and unexpected increase of waste materials and depletion of raw materials alike are one of the interesting future challenges facing civil engineers today. As a result of conditions with Arab region of the destruction of infrastructures and buildings, large quantities of recycled concrete aggregate (RCA) are produced. In this study, the basic engineering properties of hot mix asphalt (HMA) that use RCA and waste plastic bags (WPB) as additives is calculated. Four types of mixes have prepared. The first mix is the control mix consisting of 100% the natural aggregate (NA) and the asphalt cement, the second mix comprise 100% of RCA and the asphalt cement, the third mix is a compound mix containing of natural coarse aggregate (NCA) which represent 53% of the total weight of aggregate with recycled concrete fine-aggregate (RCFA) which represent 47% of the total weight of aggregate and the asphalt cement, the fourth mix involves the third mix but asphalt modified by the waste plastic (2, 4, 6, 8 and 10% by weight of asphalt). All mixtures were tested by Marshall Tests. As a conclusion of this study, it is detected that use 100% RCA in HMA is not useful for heavy traffic. Replacement of RCA with NCA has a considerable effect on the performance of HMA, where the increase of stability about 50% related to the second mix (100% RCA), this improvement allow the use such mixtures in HMA for heavy traffic. The appropriate increase in Marshall stability reach to 75% compare with second mix by adding 3.3% WPB to third mix (53% NCA plus 47% RCFA), it can encourage the use of RCA and WPB in industry of HMA as environmentally friendly and economical alternative.