Circle Line Rail Bridging Service

The Circle Line (CCL) Rail Bridging Service (or CCL free shuttle bus service / CCL Free Bridging Bus Service) is an emergency bus service which is provided in the event of a Train Service Disruption involving the Circle Line, which is operated by SMRT Trains.

When a section of the Circle Line is suspended, this service may be activated to ferry affected commuters between affected stations, hence minimizing the impact of rail disruptions on commuters. This service may also be activated should there be a significant addition of expected travelling time along the CCL.


When the CCL free bridging bus service is activated along a specific stretch of the CCL, information will be disseminated through SMRT and the Land Transport Authority (LTA)’s media platforms. The service will only stop at specific bus boarding points (either at bus stops or bus interchanges) which are marked out in the ticket concourse of every station.

This service is offered for free, in addition to free bus boarding of regular bus services during a disruption.

Route (towards HarbourFront):

Route (towards Dhoby Ghaut):

Route (CCL Extension):

Technical Information
Route WAB_logo_20px
Orchard Rd (Dhoby Ghaut MRT) ↔ HarbourFront Int (HarbourFront MRT)
Temasek Ave (Promenade MRT) ↔ Central Blvd (Marina Bay MRT)
Passes Through Specific Circle Line MRT Stations
(Disseminated at moment of activation)
Free Travel
Operator Information
Current Operator Any Public Bus Operator
Current Fleet Any Public Bus
Departure Times
Activated and withdrawn only when disseminated

Routes are compiled based on observations during a rail disruption.

MRT Stations Served:

Recent History of Activation (From 2018)
Date Sector Served Disruption Reason
15 Mar 2019 Dhoby Ghaut ↔ Paya Lebar
Marina Bay ↔ Paya Lebar
Signalling Fault
14 Oct 2020 HarbourFront ↔ Paya Lebar Power Fault


External Links & References

Back to Rail Bridging Services

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