EZ Street is for Rail Crossings To ensure long-lasting repair, maintenance crews are advised to use EZ Street Cold Asphalt. With superior performance, EZ Street cold asphalt is a permanent fix like hot mix, but is easier to install. Itís the easy to use material that can keep at-grade crossings in good repair. Because it is a premium cold mix, EZ Street cold asphalt is simple for railroad crossing maintenance crews to use on an as-needed basis. It stockpiles outside for months. Winter or summer, dry or wet, it goes in and stays in for years to come.