Bus 138CBus stopsLoop via Mandai Lake Rd1S'pore Zoo48131↗2Bird Paradise48119↗3Aft Mandai Lake Rd48021↗4LP 16248031↗5Aft Jln Ulu Sembawang48041↗6Mandai Agrotech Pk48051↗7Bef Mandai Ave48061↗8Mandai Crematorium48071↗9Opp Upp Seletar Resvr48081↗10Aft Bath Rd48091↗11Aft Meng Suan Rd48101↗12Bef Upp Thomson Rd57141↗13Springleaf Nature Pk57019↗14Springleaf Stn Exit 256099↗