Originally Posted by
MixalisK.
The problem is not the bus. Problem is the Singaporean customs. If weekend, may need 2 hours easily to get clearance.
The problem is not Singapore Customs. It is what time you opt to board a bus and go across the border. If you went on an early morning bus, chances are you are likely to clear the border (2nd link) pretty fast.
These buses do not use the first link which is jammed packed on any weekend.