As of April 16, 2025, INDOT has released a state design memo specifying the use of Void Reducing Asphalt Membrane (VRAM) for Asphalt Paving in projects with category 2, 3 and 4 surface mixes. Design Memo No. 25-10: Void Reducing Asphalt Membrane (VRAM) for Asphalt Paving To: All Design Personnel...