Introduced between Buangkok Cres (Blk 991A) and Orchard Rd (Aft Dhoby Ghaut Stn) during morning peak hours and between Orchard Rd (YMCA) and Buangkok Cres (Opp Blk 991A) during evening peak hours, operating as a peak hour one-directional service on weekdays under the LTA's Bus Connectivity Enhancement Programme (BCEP). Wheelchair-accessible bus service (WAB) at launch.
City Direct 681
Operator
Route
Year
Date
Service changes
(Current)
AMUpp Serangoon Rd → Moulmein Rd
PMMoulmein Rd → Upp Serangoon Rd
2025
15 December
Introduced between Upp Serangoon Rd (Blk 477A) and Moulmein Rd (Revival Ctr Ch) during morning peak hours and between Moulmein Rd (St. Joseph Instn Jnr) and Upp Serangoon Rd (Opp Blk 477A) during evening peak hours, operating as a peak hour one-directional service on weekdays under the LTA's Bus Connectivity Enhancement Programme (BCEP). Wheelchair-accessible bus service (WAB) at launch.
City Direct 682
Operator
Route
Year
Date
Service changes
(Current)
AMCompassvale Dr → Orchard Rd
PMOrchard Rd → Compassvale Dr
2025
15 December
Introduced between Compassvale Dr (Blk 204 CP) and Orchard Rd (Aft Dhoby Ghaut Stn) during morning peak hours and between Orchard Rd (YMCA) and Compassvale Dr (Opp Blk 204 CP) during evening peak hours, operating as a peak hour one-directional service on weekdays under the LTA's Bus Connectivity Enhancement Programme (BCEP). Wheelchair-accessible bus service (WAB) at launch.
City Direct 683
Operator
Route
Year
Date
Service changes
(Current)
AMPunggol Ctrl → Moulmein Rd
PMMoulmein Rd → Punggol Ctrl
2025
15 December
Introduced between Punggol Ctrl (Blk 162B) and Moulmein Road (Revival Ctr Ch) during morning peak hours and between Moulmein Rd (St. Joseph Instn Jnr) and Punggol Ctrl (Blk 649) during evening peak hours, operating as a peak hour one-directional service on weekdays under the LTA's Bus Connectivity Enhancement Programme (BCEP). Wheelchair-accessible bus service (WAB) at launch.
28 December
Serves a new bus stop outside Blk 656A along Punggol East.
2026
24 May
Serves a new bus stop outside Waterway Pr Sch along Punggol East.
City Direct 684
Operator
Route
Year
Date
Service changes
(Current)
AMKeat Hong Link → Marina Blvd
PMCentral Blvd → Keat Hong Link
2026
15 June
Introduced between Keat Hong Lk (Opp Blk 816A) and Marina Blvd (Marina Bay Financial Ctr) during morning peak hours and between Central Blvd (Marina Bay Stn) and Keat Hong Lk (Blk 816B) during evening peak hours, operating as a peak hour one-directional service on weekdays under the LTA's Bus Connectivity Enhancement Programme (BCEP). Wheelchair-accessible bus service (WAB) at launch.