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Singapore Electronic Road Pricing 2025: Complete Guide
System: Electronic Road Pricing (ERP) / ERP 2.0 GNSS
Operator: Land Transport Authority (LTA)
Currency: Singapore Dollar (SGD)
Coverage: Central Business District, Major Expressways
Technology: IU/OBU units, GNSS satellite-based (ERP 2.0)
Do I Need ERP Equipment for Singapore? 2025 Update
Yes, all Singapore-registered vehicles must have either an In-Vehicle Unit (IU) or On-Board Unit (OBU). Driving without proper equipment results in a S$70 penalty per ERP gantry passed.
Current System Status:
- ERP 1.0: Existing IU system (being phased out)
- ERP 2.0: New satellite-based OBU system (rolling out until end-2025)
- Transition period: Both systems operational until 2025
- 93 gantries total (only 19 currently operational due to reduced traffic)
Singapore ERP Costs: Current Rates
ERP Charges by Time and Location (2025)
| Location Type | Peak Hours Rate | Off-Peak Rate | Operating Hours | Maximum Charge |
|---|---|---|---|---|
| Central Business District | S$3.00 - S$6.00 | S$0.50 - S$2.00 | 7:30am - 7:00pm | S$6.00 |
| Major Expressways (CTE, PIE, AYE) | S$2.00 - S$5.00 | S$0.50 - S$1.50 | 7:30am - 9:30am, 5:30pm - 8:00pm | S$5.00 |
| Orchard Road Corridor | S$2.50 - S$4.00 | S$1.00 - S$2.00 | 8:30am - 10:30pm | S$4.00 |
| Arterial Roads | S$1.00 - S$3.00 | S$0.50 - S$1.00 | 7:30am - 9:30am, 5:30pm - 7:00pm | S$3.00 |
Vehicle Type Multipliers
| Vehicle Category | Rate Multiplier | Examples | Notes |
|---|---|---|---|
| Passenger Cars | 1.0x (Base Rate) | Cars, taxis, small vans | Standard ERP charges |
| Motorcycles | 0.65x | All motorcycles, scooters | Reduced rates |
| Light Goods Vehicles | 1.4x | Small trucks, delivery vans | Higher commercial rates |
| Heavy Vehicles | 2.0x | Buses, large trucks | Highest rates |
ERP 2.0: New Satellite System
On-Board Unit (OBU) Installation
- Installation period: November 2023 - December 2025
- Current progress: 500,000+ vehicles fitted (as of June 2025)
- Free installation: Within 2-month notification period
- Late installation fee: S$35 (motorcycles), S$70 (other vehicles)
OBU Components
- Antenna: Windscreen-mounted for satellite/gantry communication
- Processing Unit: Payment transactions (installed away from dashboard)
- Touchscreen Display: Optional traffic alerts and information
- Motorcycles: Single-piece integrated unit
New Features Available
- Real-time traffic alerts: Accidents, road closures, heavy traffic
- Advanced notifications: Speed cameras, school zones, silver zones
- Future capabilities: Roadside parking payment, checkpoint tolls
- No physical gantries: Satellite-based charging locations
How to Pay Singapore ERP
Payment Methods
- NETS CashCard: Traditional stored-value card
- CEPAS Cards: EZ-Link, NETS FlashPay contactless cards
- Backend Payment: EZ-Link Motoring Service, NETS vCashCard
- Auto top-up: Automatic card balance replenishment
Foreign Vehicles
- Cars: S$5 flat daily rate (unlimited ERP gantry passes)
- Commercial vehicles: Must install IU/OBU with stored-value card
- Autopass Card: Deduction upon departure from Singapore
Recent Changes (2025)
- June 2025 rate increases: S$0.50-S$1.00 increases at major expressway gantries
- ERP 2.0 rollout: 500,000+ vehicles now equipped with satellite-based OBUs
- EV pilot program: Off-peak hour charge waivers for electric vehicles (Q3 2025)
- Enhanced enforcement: Improved license plate recognition and violation processing
- 5-day grace period: SMS notifications for missed payments before penalties
Singapore vs. Regional Neighbors
| Country/City | System Type | Technology | Typical Charges | Coverage |
|---|---|---|---|---|
| Singapore | Electronic Road Pricing | GNSS + gantries | S$0.50 - S$6.00 | City-wide congestion zones |
| Malaysia | Traditional toll roads | Touch 'n Go, cash | RM 1.50 - 8.00 | Expressway network |
| Indonesia | Electronic-only tolls | RFID e-toll cards | IDR 2,500 - 15,000 | Major highways |
| Thailand | Mixed toll systems | M-Pass, cash | THB 25 - 120 | Bangkok expressways |
| Hong Kong | Fixed tunnel/bridge tolls | Octopus, cash | HK$5 - 75 | Major crossings only |
ERP Operational Schedule
Peak Hour Periods
- Morning peak: 7:30am - 9:30am (Monday-Friday)
- Evening peak: 5:30pm - 8:00pm (Monday-Friday)
- Orchard extended: 8:30am - 10:30pm (Monday-Saturday)
- Weekend operations: Saturday afternoons only (selected gantries)
Free Periods
- Sundays: No ERP charges
- Public holidays: No ERP charges
- Holiday eves: Charges stop at 1:00pm (New Year, Chinese New Year, etc.)
- School holidays: Reduced rates during June and December
Planning Your Singapore Journey
Cost Minimization Strategies
- Time shifting: Travel before 7:30am or after 8:00pm
- Route optimization: Use alternative roads avoiding ERP zones
- Public transport: MRT/bus during peak hours
- Carpool arrangements: Share costs with colleagues
Technology Integration
- MyTransport.SG app: Real-time ERP rates and traffic updates
- Motorist app: Route planning with ERP cost calculation
- Waze integration: ERP-aware navigation routing
- Backend payment: Automatic billing to credit cards
Frequently Asked Questions
What happens if I forget to insert my card?
You'll receive an SMS notification within hours and have 5 days to pay online without penalty. After that, a formal violation notice with administrative charges applies.
Can I use the same card for both ERP and parking?
Yes, CEPAS cards work for both ERP gantries and Electronic Parking System (EPS) car parks throughout Singapore.
Do I need to upgrade from IU to OBU immediately?
No, IU systems continue working during the transition. You'll receive official notification when it's your turn for free OBU installation.
Are there discounts for electric vehicles?
From Q3 2025, a pilot program offers ERP charge waivers during off-peak hours at selected gantries for electric vehicles.
How does ERP 2.0 work without gantries?
The satellite-based system uses GNSS to detect when vehicles enter charging zones. Visual markers will replace physical gantries once the transition is complete.
Can tourists easily get ERP equipment?
Rental cars come with IU/OBU installed. Foreign cars can pay a flat S$5 daily rate through the Autopass Card system instead of installing equipment.
What if my OBU malfunctions?
Contact LTA immediately. Free repairs/replacements are available during the warranty period. Emergency contact: 6377-2255.
Enforcement & Penalties
Violation Consequences
- No IU/OBU: S$70 penalty per gantry passed
- Insufficient card balance: S$70 penalty + original ERP charge
- Tampered equipment: Up to S$5,000 fine and/or 6 months imprisonment
- False declarations: Additional penalties for vehicle classification fraud
Detection Technology
- License plate cameras: Automatic number plate recognition (ANPR)
- RFID sensors: Real-time IU/OBU communication monitoring
- Video enforcement: 24/7 surveillance at all gantry locations
- Mobile enforcement: Random vehicle checks by traffic police
Future Developments
Smart Mobility 2030 Vision
- Distance-based charging: Potential future implementation (no immediate plans)
- Dynamic pricing: Real-time rate adjustments based on traffic conditions
- Integrated mobility: Seamless payment across all transport modes
- Regional connectivity: Cross-border toll payment with Malaysia
Technology Evolution
- Gantry removal: Physical structures eliminated once ERP 2.0 is fully deployed
- Enhanced services: Roadside parking, checkpoint tolls via OBU
- Third-party integration: APIs for developers to create value-added services
- AI optimization: Machine learning for traffic flow prediction and pricing
Contact Information
Land Transport Authority (LTA)
- ERP enquiries: 6377-2255 (LTA Call Assist Service)
- OBU installation: go.gov.sg/book-obu
- Traffic updates: MyTransport.SG app
- Website: onemotoring.lta.gov.sg
Emergency Services
- Police: 999
- Traffic incidents: 1800-547-1818
- Road conditions: 1800-CALL-LTA (1800-2255-582)
