Surface reinstatement (S6.4) Previous Next S6.4.1 Permitted options are shown in A2 to A4 inclusive, subject to the exceptions set out in S6.4. Hot rolled asphalt (HRA) surface Stone mastic asphalt (SMA) and thin surface course systems (TSCS) Asphalt concrete surface course materials Asphalt concrete binder course materials Other bituminous materials Surface treatments Coated chippings Composite roads Previous Next