Former Deployments of Alexander Dennis Enviro500 (Batch 1)

SMB5001A & SMB5002Y
For the current deployments of this bus model operated by SMRT Buses, please refer here.

SMB3501L – SMB3616P & SMB5003U – SMB5085H
For the current deployments of this bus model operated by SMRT Buses, please refer here.

Tower Transit
====SMB3501L – SMB3518P, SMB3521D, SMB3527M, SMB3528K, SMB3532Y, SMB3534S, SMB3535P, SMB3543R, SMB3546H, SMB3551S – SMB3553L, SMB3557B, SMB3558Z, SMB3562K – SMB3566A, SMB3569S, SMB3570L, SMB3577T & SMB3582C====

For the current deployments of this bus model operated by Tower Transit, please refer here.