Bus 188 – SMRT Buses Volvo B9TL Wright (SG5490Z) [Rear] #HeyChingay50Bus Bus 188 – SMRT Buses Volvo B9TL Wright (SG5490Z) [Rear] #HeyChingay50Bus Bus 188 – SMRT Buses Volvo B9TL Wright (SG5490Z) [Rear] #HeyChingay50Bus