Statute Details
- Title: Road Traffic (Electronic Road Pricing System) Rules 2015
- Act Code: RTA1961-S226-2015
- Type: Subsidiary Legislation (SL)
- Authorising Act: Road Traffic Act (Cap. 276), sections 34D and 140(1)
- Commencement: 21 April 2015
- Status: Current version as at 27 Mar 2026
- Parts: Part 1 (Preliminary); Part 2 (In-Vehicle Units); Part 3 (Levying of Road-User Charge); Part 4 (Offences and Other Miscellaneous Provision); Part 5 (Motor Cars Not Registered Under Act)
- Key Definitions (Section 2): “ERP”, “ERP card”, “ERP facility”, “in-vehicle unit”, “restricted hours”, “specified entry point”, “participating bank”, “relevant checkpoint”
- Key Provisions (from the extract): Sections 3–6 (in-vehicle units and payment); Sections 7–9 (offences and signage); Sections 10–13 (motor cars not registered; daily charge and offences); Section 14 (revocation)
- Schedules: First Schedule (specified roads/entry points/restricted hours/amounts); Second and Third Schedules (including an “electronic road pricing sign”)
What Is This Legislation About?
The Road Traffic (Electronic Road Pricing System) Rules 2015 (“ERP Rules”) set out the operational legal framework for Singapore’s Electronic Road Pricing (“ERP”) system. In plain terms, the Rules regulate how road-user charges are imposed and collected when vehicles enter specified roads during “restricted hours”. They also define the technical and administrative requirements that make the system work—particularly the use of in-vehicle units and ERP cards, and the operation of electronic facilities at entry points.
While the Road Traffic Act provides the broader legislative authority for ERP, the ERP Rules translate that authority into detailed obligations for vehicle owners/drivers, authorised service providers, and system users. The Rules cover (i) installation and maintenance of in-vehicle units, (ii) how road-user charges are levied and paid, (iii) what conduct is prohibited (including tampering and unlawful entry), and (iv) special rules for certain motor cars that are not registered under the Act.
For practitioners, the ERP Rules are particularly important because they create compliance duties that are both technical and behavioural. Non-compliance can lead to offences, and disputes often turn on whether the correct device was installed, whether payment was properly made, and whether the vehicle entered a specified entry point during restricted hours.
What Are the Key Provisions?
Part 1: Preliminary—citation and definitions. Section 1 provides the citation and commencement date (21 April 2015). Section 2 is foundational: it defines the key terms used throughout the Rules. These definitions are not merely interpretive; they determine when obligations are triggered. For example, “ERP” and “in-vehicle unit” define the technology used to facilitate electronic charging. “ERP card” is a stored-value card that, when used with an in-vehicle unit, results in the automatic debit of the appropriate road-user charge when the vehicle is driven into a specified entry point during restricted hours. “ERP facility” refers to electronic/computerised facilities installed at entry points by the Authority. “Restricted hours” and “specified entry point” are defined by reference to the First Schedule.
Part 2: In-vehicle units—installation and authorised persons. Section 3 requires motor vehicles to be installed with in-vehicle units. This is the core compliance requirement for most vehicles subject to ERP. Section 4 then regulates who may install, repair, replace, or otherwise carry out work on in-vehicle units: such work must be carried out by “authorised persons”. This is a practical safeguard—ensuring that only approved parties handle the devices that interact with ERP facilities and that the devices are capable of correctly recording and debiting charges.
Part 3: Levying of road-user charge and payment mechanisms. Section 5 provides that the road-user charge is to be paid during restricted hours. This ties the charging obligation to time and location: the vehicle must be ridden/driven/moved into a specified entry point on a specified road during the restricted hours set out in the First Schedule. Section 6 addresses payment of the road-user charge. In practice, payment is facilitated through the ERP system’s electronic architecture—most commonly via an ERP card linked to the in-vehicle unit, and potentially through credit card arrangements with participating banks (as defined in Section 2). The legal significance is that the Rules treat payment as an electronic process tied to system events (vehicle entry into a specified entry point during restricted hours), rather than as a manual or discretionary process.
Part 4: Offences and miscellaneous provisions—prohibited conduct and signage. Section 7 addresses unlawful entry into a specified entry point. This provision is aimed at conduct that undermines the ERP system’s ability to levy charges correctly. For example, if a vehicle enters a specified entry point in a manner that is not authorised or does not comply with the Rules, it may constitute an offence. Section 8 prohibits interference, etc., with transmission of signals. This is a direct anti-tampering measure: it targets actions that disrupt the communication between the in-vehicle unit and ERP facilities (or otherwise interfere with the transmission of signals used to levy charges). Section 9 concerns the electronic road pricing sign, which is relevant to how drivers are informed of ERP charging conditions and how the system’s signage is treated under the Rules. For enforcement and evidential purposes, signage provisions can matter because they support the argument that drivers were notified of restricted hours/charging conditions.
Part 5: Motor cars not registered under the Act—daily charge and offences. Sections 10 to 13 create a distinct regime for “motor cars not registered under Act” (as described in the Rules). Section 10 provides that such motor cars need not be installed with in-vehicle units. However, the Rules do not exempt these vehicles from charging; instead, Section 11 introduces a daily road-user charge mechanism. Section 12 sets out payment of the road-user charge for this category. Section 13 then creates offences in relation to this regime. Finally, Section 14 provides for revocation (a standard legislative housekeeping provision, typically used when earlier subsidiary rules are replaced).
How Is This Legislation Structured?
The ERP Rules are structured to mirror the lifecycle of ERP compliance: (1) define the system and key terms, (2) regulate the technology (in-vehicle units), (3) impose and collect charges during restricted hours, (4) deter and punish conduct that defeats the system, and (5) provide an alternative charging approach for a specific class of vehicles.
Part 1 contains the citation/commencement and definitions. Part 2 focuses on in-vehicle units, including installation and maintenance by authorised persons. Part 3 covers the charging event (restricted hours) and payment. Part 4 sets out offences and miscellaneous provisions, including unlawful entry, interference with signal transmission, and the electronic road pricing sign. Part 5 addresses motor cars not registered under the Act, including the daily road-user charge and related offences. The First Schedule is critical because it specifies the roads, entry points, restricted hours, and amounts of road-user charge payable. The Third Schedule relates to the electronic road pricing sign, which supports the system’s operational and evidential framework.
Who Does This Legislation Apply To?
The ERP Rules apply primarily to users of motor vehicles that are required to participate in the ERP system. In practice, this includes drivers and vehicle owners/operators of motor cars that must be installed with in-vehicle units under Section 3. The Rules also apply to “authorised persons” who install, repair, or replace in-vehicle units under Section 4, as well as to any person whose conduct may amount to an offence under Parts 4 and 5 (for example, by unlawfully entering specified entry points or interfering with signal transmission).
Additionally, the Rules apply to a narrower category of vehicles—motor cars not registered under the Road Traffic Act—through the alternative daily road-user charge regime in Part 5. This ensures that ERP charging remains comprehensive even where the standard in-vehicle unit installation requirement does not apply.
Why Is This Legislation Important?
The ERP Rules are important because they operationalise a major regulatory tool for traffic management and congestion reduction. From a legal perspective, they create enforceable duties that are closely tied to specific factual triggers: whether a vehicle entered a specified entry point, whether that entry occurred during restricted hours, and whether the vehicle had the required in-vehicle unit (or, for exempt categories, whether the daily charge regime was complied with).
For practitioners advising clients—whether in compliance, dispute resolution, or enforcement matters—the Rules’ emphasis on technical systems means that evidence and process are central. For example, offences relating to interference with signal transmission often require careful analysis of what conduct occurred, what device was used, and whether the ERP system’s communications were disrupted. Similarly, unlawful entry offences may turn on whether the entry point was “specified” and whether the vehicle’s movement into the entry point occurred during “restricted hours” as set out in the First Schedule.
The Rules also have practical implications for fleet operators and service providers. Fleet compliance typically requires ensuring that in-vehicle units are installed and maintained by authorised persons and that ERP cards/payment arrangements remain valid. For service providers, authorisation under Section 4 is a compliance gate: work performed outside authorised channels can create downstream risk, including disputes about whether the in-vehicle unit was properly installed or functioning as required.
Related Legislation
- Road Traffic Act (Cap. 276): The enabling statute for ERP, including sections 34C, 34D and 140(1) (as referenced in the enacting formula).
- Banking Act (Cap. 19): Referenced for the definition of “credit card” in Section 2 of the ERP Rules.
Source Documents
This article provides an overview of the Road Traffic (Electronic Road Pricing System) Rules 2015 for legal research and educational purposes. It does not constitute legal advice. Readers should consult the official text for authoritative provisions.