Singapore Buses route 40

Service 40 is a residential trunk route running from Bedok Interchange and looping at MacPherson Estate, going via Siglap Road, East Coast, Paya Lebar and Aljunied.

It is also the only bus service to serve the full stretch of Siglap Road daily. It consists of Scania K230UBs and Mercedes-Benz Citaro single deckers.