The rider, in his mid 50s, was headed toward the Pan Island Expressway.

He was seriously injured and sent to the National University Hospital, where he died at 9 am.

In another accident on the Tampines Expressway leading to the PIE on Thursday, a motorcyclist, in his early 30s, skidded and hit the road divider before Tampines Ave 10 exit at 3.15 am.

He suffered from serious head and leg injuries and was sent to the Changi General Hospital.