ComfortDelgro Volvo B7R TQ Alpha: Tampines Retail Park – Sengkang Shuttle (CB7993S) ComfortDelgro Volvo B7R TQ Alpha: Tampines Retail Park – Sengkang Shuttle (CB7993S) ComfortDelgro Volvo B7R TQ Alpha: Tampines Retail Park – Sengkang Shuttle (CB7993S)