Mixed plastic runway, also known as traditional runway, is flat and dense structure. Mixed plastic track is generally used in professional competition venues, is a common type of high-grade track and field stadium, the cost is much higher than the breathable type. The hybrid track adopts high quality and environmental protection two-component hybrid track laying materials, and its service life can reach 15 years. It has been recognized by many users because of its superior physical properties and good appearance quality. Requirements for Foundation Requirements for Foundation Requirements for Foundation Requirements for Foundation Requirements: The asphalt foundation is recommended for the mixed runway, and the foundation requirements should have certain strength and stability. Cracks and uneven frost heave caused by freezing cannot or will not occur. In frozen areas, it is advisable to add a geotextile buffer layer between the asphalt layer and the gravel layer. The foundation along the water groove shall be specially waterproofed.