Tourism GF1: Freeway Advance Exit Services GF2: Advance Exit Services GF3: Final Turn Services GF4: Gore Exit GF5: Layby Advance GF6: Layby Turn-in GF7: Confirmation GF8: Service Exit Sequence GF9: Rest Service Sequence GF10: Totem Service Area GF11: SOS Service Spacing GF12: Advance Roadside Emergency Service GF13: SOS Service Turn-In GF14: Last SOS Service GF15: Parking Free GF16: Tourist Information GF17: Temporary Attraction GF18: Emergency Services