Since 9 July 2018, Tower Transit deployed Double Decker Buses on Bus Services 941, 974 and 990. These buses will help to ease passenger crowd levels during peak hours, providing a more comfortable ride for all.
4 Double Decker buses were sighted on Tower Transit Bus Service 974 on the first day. Service 974 which was launched earlier in April 2018 operating between Joo Koon and Bukit Panjang.
Double Deckers are also scheduled to operate one evening trip each on Tower Transit Bus Services 941 and 990. These buses operate additional trips on these services after running their parent services, 189 and 106 respectively.