The LTA claims that the National Taxi Association and the National Private Hire Vehicles Association provided tips that prompted border officers to take action.
The Singapore Civil Defense Force (SCDF) said that both the cyclist, 52, and motorcyclist, 53, were conscious when they were taken to Changi General Hospital.
Drivers can use the Expressway Monitoring and Advisory System on the BKE and AYE or the Land Transport Authority's OneMotoring website to check the traffic situation.