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Electronic Road Pricing (ERP) is a system used to manage road congestion in Singapore.

At a glance

Understanding ERP

You pay a fee when driving through an ERP gantry during operational hours.


ERP charges are reviewed regularly to keep traffic moving at an optimal speed.


There are different ERP operating hours on the eve of major public holidays. 

Paying your ERP charges

The In-vehicle Unit (IU) in your vehicle deducts the ERP charges based on your chosen mode of payment.


To avoid ERP violations, sign up for backend payment services.

When you sign up for a backend payment service, the service provider will notify you once the service is activated. 


If you drive through an ERP gantry without paying, you will receive a notice of ERP violation. You will then have to pay the ERP charge plus an administrative fee. 


See how foreign-registered vehicles pay ERP. 

Related digital services

Check ERP Rates

Check your ERP violation notice

Pay outstanding ERP charge and fine

IU Inspection Centres

Understanding ERP

ERP is used to manage road congestion in Singapore. Drivers will incur ERP charges when passing through ERP gantries during its operational hours. To avoid incurring ERP charges, motorists can consider using alternative routes, travelling outside ERP operational hours, or taking public transport instead of driving.   

ERP rates are reviewed every quarter and adjusted during the June and December school holidays, based on the traffic conditions at the time.

ERP rates are generally set in half-hour periods. 

The time period (0730-0800) means the corresponding ERP rate applies from and including 7.30am and applies until but excluding 8.00am. 

The same definition applies to other time periods.

ERP rates are adjusted to keep traffic moving at an optimal speed range of 20-30 kmh on arterial roads and 45-65 kmh on expressways.

The ERP charge you pay depends on:

  • The type of your vehicle. Bigger vehicle types pay more.
  • The time you enter the ERP gantry. During peak hours, charges can change every half hour to help spread traffic flow over a longer period.

Check the ERP Rates


ERP operating hours on Sundays, public holidays and eve of major public holidays

There are no ERP charges for Sundays and all public holidays. ERP stops operating at 1 pm on the eve of New Year’s Day, Chinese New Year, Hari Raya Puasa, Deepavali and Christmas Day.

Paying ERP charges

All Singapore-registered vehicles must install an IU to drive through operating ERP gantries. If you do not have an IU, there is a penalty of $70.00 for each operating ERP gantry you drive through.

The IU in each vehicle communicates with the ERP gantry to deduct the ERP charge. You can install your IU at any LTA-Authorised Inspection Centre (AIC) at a cost of $155.80. For IU-related issues, you can visit an IU inspection centre.

Each IU comes with a label stating the IU number, you can refer to the pictures below on how the label looks like. Alternatively, you can also check your IU number online.



IUs are covered by a 5-year warranty. You will need to pay for a replacement if your IU becomes faulty after its warranty period, or if the IU label is missing or unreadable. 

To learn more about the warranty period of your IU, write to us stating your vehicle number. 


Modes of payment 

There are 2 ways to pay for ERP charges when you drive through an ERP gantry. You can pay via:

a.  A stored-value card inserted into your IU

The ERP fee is immediately deducted from the card, so ensure that your card (e.g. NETS CashCard or CEPAS Card) has sufficient value. Save the inconvenience of having to make such checks by registering to a backend payment services.

Learn where you can purchase the following stored-value cards:

Perform a self-check that the IU and your stored-value cards are working before you drive,

  • Ensure your stored-value card is connected by removing and inserting it into the IU. You should hear a ''beep'' and see the value of your card on the IU display.
  • Check that the value of your stored-value card is sufficient for your route. Check the rates for specific routes


b.  Backend payment services 

Enjoy the convenience of paying your ERP fee via Credit/Debit card without the need to worry about maintaining sufficient value in your stored-value card. Register with the service providers below, you will be notified by the service provider upon successful activation:


ERP Violation

If you did not pay your ERP charge due to a defective IU, an expired or improperly inserted stored-value card, or because there was insufficient value in your card, you will receive a notification within a few days after the violation.

You can also check the notification online via digital services.

If you are charged an administrative fee in your ERP violation, you can save $2 by paying for your violation through these digital channels:

To avoid violations due to your stored-value card being expired, improperly inserted or having insufficient value, consider using a backend payment service.

Check your ERP violation notice


ERP for foreign-registered vehicles

For foreign-registered vehicles, the rules for paying ERP differ according to your vehicle type.

If you drive in Singapore without an IU, there is a penalty of $70.00 for each operating ERP gantry you drive through. 


For Foreign-Registered Passenger Cars

For Foreign-Registered Motorcycles

For Foreign-Registered Goods-Vehicles, Taxi And Buses

ERP rates for your vehicle

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ERP Rates For December 2021 School Holiday Period


The Land Transport Authority (LTA) has completed its review of Electronic Road Pricing (ERP) rates for the December 2021 school holidays. ERP rates will be reduced at certain gantries on the AYE, CTE and KPE during 19 time periods.

The revised rates will apply from 22 November 2021 to 3 January 2022. These rates will revert to the pre-school holiday charges from 4 January 2022 onwards.




If your IU Inspection Notice expires within the current Circuit Breaker period, rest assured that you would not need to go for the IU inspection during this period. All outstanding IU Inspection Notices with due dates within the Circuit Breaker period have been automatically extended to 14 days after the Circuit Breaker period end date. If the Circuit Breaker period is extended, the due dates will also be extended by 14 days from the end date of the Circuit Breaker period.

During the Circuit Breaker period, if your In-Vehicle Unit (IU) is faulty or require immediate replacement, the Vehicle Inspection Centres remain open during this period for urgent IU services required. Please note that if the warranty of your IU expires within the Circuit Breaker period, the expiry date has been extended to 30 days after the Circuit Breaker period end date.