The 3-door variant of the Zhongtong N12 has made its debut on various ISB services, with a large batch on the way.
Three-Door Electric ISBs for NUS: Zhongtong N12
Another 3-door electric ISB model is coming - a 3-door variant of the previously-seen Zhongtong N12.
Former ISBs Spotted In Sentosa: Zhongtong N12 (2-door)
At the end of AY22/23 Sem 1, two Zhongtong electric buses (PD496S and PD622U) have been transferred to Sentosa.
ISB Advertising: Transforming Campus Mobility Through Electrification
In late November 2022, a BYD B12 3-door bus was wrapped with a promotional livery designed by an NUS student.
Debut of Electric 3-Door BYD B12s on ISB Routes
3-door buses are here on the roads! BYD B12s made their service debut on 21 November 2022.
The ISB Man 