: Singapore-registered vehicles are now required to have the new On-Board Unit (OBU) installed, as the old In-Vehicle Units (IU) are being phased out by the end of 2026.

: Starting January 1, 2027, foreign-registered vehicles without an OBU must pay a flat daily rate of $10 for cars or $3 for motorcycles to enter ERP zones.

: While the gantry remains physically in place, it has been unpriced since approximately April 2020 following the pandemic-related "Circuit Breaker" measures. Current Rate Schedule

The Land Transport Authority (LTA) continues to monitor traffic conditions in the Orchard area closely, noting that speeds have occasionally dropped below optimal levels. While no immediate rate hikes have been announced for Buyong Road, the system is transitioning to .