The Circle Line is one of the few
train lines in Singapore. The route is made by SMB142J Productions. Upgrades are done in-house by SMRTO
Studios. Due to the Terms of Use from the original project, the modified version will not be
released.
Incumbent Operator | ![]() |
Train Depot | Kim Chuan Train Depot |
Alstom Metropolis C830 |
Alstom Metropolis C830C |