3-Door Alexander Dennis Enviro500 buses launched on Bus Services 190 & 974

The Alexander Dennis Enviro500 3-Door has been launched on 26 October 2021, operating on Bus Services 190 & 974.

50 units of the Alexander Dennis Enviro500 (3 Door) double-deck bus, configured with three doors and two staircases for smoother boarding and alighting, has been procured by the Land Transport Authority in April 2019, alongside 50 3-door MAN A95 (Euro 6) buses.

These buses are the first to feature a double glass-staircase design on both front and rear staircases, as visible on the right side of the bus.

Complementing the futuristic looks of the bus is a fully low-floor design on the lower-deck, making entering and exiting the bus very accessible.

These buses are the product of engineering efforts by Alexander Dennis Limited after the initial conception in 2016. The engine and drivetrain components had to be relocated to the right rear of the chassis in order for a full-low-floor design.

Registration of these buses began in September 2021, and these buses are currently with SBS Transit & SMRT Buses.

  • From 26 Oct 2021 – Bus Services 190 & 974 / 974A

SBS Transit debut

SBS Transit launched its 3-Door Alexander Dennis Enviro500 buses on 26 October 2021, deployed on Bus Service 974.

Two buses were deployed, SG6344G & SG6347Z.

SG6347Z later was deployed on Service 974A at night, performing the 01:05 trip from Choa Chu Kang Ave 4 (Opp Choa Chu Kang Stn).

SMRT Buses debut & Breakdown

One unit (SG6349T) was deployed by SMRT Buses on Bus Service 190, with its first trip at about 1554hrs from Choa Chu Kang Int.

However, the bus broke down along Choa Chu Kang Drive towards Kampong Bahru Bus Terminal at about 1918hrs due to a fault with the middle door. The bus has since returned to service.

See also

13 thoughts on “3-Door Alexander Dennis Enviro500 buses launched on Bus Services 190 & 974

  • 21 November 2021 at 10:34 PM

    974 is the only one so far which both the MAN & ADL 3-door buses being deployed

    this beast has the london/europe feels (bus stopping & door closing sound)
    from outside, not so noisy coz probably use merc engine. still got ADL sound

  • 13 November 2021 at 10:48 PM

    I predict SBST will lease more than any other operators
    SBST:25 units
    SMRT:12 units
    TTS:6 units
    GAS:5 units

  • 6 November 2021 at 10:44 AM

    It’s greatly appreciated if these new 3door double deckers can be deployed on ANG MO KIO bus services, especially 25, 166, 132 and 88.

  • 4 November 2021 at 10:16 AM

    Hope to see deploy on these service
    SBS Transit:Boon Lay>179,181,240 & 243W
    Joo Koon>182

    SMRT Buses>Choa Chu Kang>302 & 983.
    Bukit Panjang>922 & 979.
    Gali Batu>184

    Tower Transit>Jurong East>333
    Bukit Batok>189 & 941

    Go Ahead>Pasir Ris>17 & 68.

    • 25 November 2021 at 7:25 PM

      Hi, friend. LTA has already announced that all the 50 Alexander Dennis 3-door buses will be deployed to the main 2 bus service providers- namely SBS Transit & SMRT Buses Ltd only. Go-Ahead Singapore and Tower Transit Singapore will not get any of these buses.

      • 1 December 2021 at 2:27 AM

        What’s your source? How do you know SBST and SMRT are the only operators receiving this model?


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