If milling your old parking lot or roadway out is what you are looking for, our new Wirtgen 120 will do the job efficiently and thoroughly to prepare you for your repave. Has your driveway or parking lot gotten uneven or bumpy? Asphalt milling is the process of removing the damaged top layer of asphalt while at the same time keeping the subbase in tact. This allows us to prepare the surface to then be able to repair or replace your asphalt.