Shuttle 4 – SMRT Task Force 50 Volvo B9TL Wright (SG5491X) [TF26] Shuttle 4 – SMRT Task Force 50 Volvo B9TL Wright (SG5491X) [TF26] Shuttle 4 – SMRT Task Force 50 Volvo B9TL Wright (SG5491X) [TF26]