Main Roads Act 1930 (Western Australia) — Zoe

Western Australia act

Main Roads Act 1930

In ForceWA

Jurisdiction

Western Australia

Collection

act

Plain English Summary

8/10 complexity

What this law does, mechanically

Creates and defines the office of the Commissioner of Main Roads as a corporate body with State status, borrowing powers and a budget account (Commissioner: ss 7–9, 9AA; borrowing with Treasurer guarantee: s 9A; Main Roads Trust Account: ss 31–32).
Gives the Commissioner powers to declare, build, manage, maintain and close highways, main roads, secondary roads and certain other roads; to acquire or lease land for those purposes; and to regulate access to parts of roads (declarations and provision of roads: ss 13–14; closure: s 16A; acquisition/leases: s 29; control of access/COA: ss 28AA–28B, 28A).
Authorises the Commissioner to enter into agreements, commercial arrangements and business activities (including carrying out works for others), to charge for certain infrastructure and uses, and to exploit intellectual property created in the course of the Commissioner’s work (commercial functions and use of assets: s 15B(1)(g); agreements and business arrangements: ss 18A, 18B, 18E; charging powers and developer/mining charges: s 33; intellectual property assigned to Commissioner: s 22).
Sets financial and governance controls: Minister and Treasurer approvals are required in specified cases (approval triggers: ss 18D, 18F); the Financial Management Act and Auditor General Act apply to the Commissioner (s 19A); Minister may give directions subject to limited exceptions (s 19B).
Provides regulatory and enforcement tools: power to make regulations (s 37), to control roadside advertising (s 33B), to issue infringement notices and fines for particular offences (ss 36, 15A, 16A, 28A, 23), and limits time to commence prosecutions (s 35).

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What it does

The Main Roads Act 1930 is the foundational statute governing the declaration, construction, maintenance, control and funding of Western Australia's strategic road network. At its core, the Act establishes the Commissioner of Main Roads as a body corporate (s.9) with perpetual succession, a common seal and the status of an agent of the State (s.9AA). The Commissioner is empowered to recommend to the Governor the proclamation of highways, main roads and secondary roads (ss.13, 24). Once proclaimed, absolute property in the underlying land vests in the Crown and care, control and management vest in the Commissioner (s.15(1)–(2)).

The Act delineates three primary classes of declared road. A highway is the highest-order route—typically the direct connection between Perth and other State capitals or between major producing regions (s.13(2)). Main roads connect large producing areas to markets, ports or railways (s.13(3)). Secondary roads act as feeder routes to highways or main roads or provide access to national parks or seaside resorts (s.24(3)). The Commissioner may also undertake works on roads that have never been declared (s.27A).

Functions of the Commissioner are exhaustively catalogued in s.15B and s.19. They include constructing and managing the State’s highway and main-road network (including shared paths), controlling or regulating traffic on declared roads (subject to road-law powers under the Road Traffic (Administration) Act 2008), carrying out “main roads works” (defined in s.6 to embrace road works, adjoining works, road service centre works, environmental offset works and any other authorised works), and—significantly—undertaking civil construction for other government agencies or engaging in commercial activities that exploit the Commissioner’s assets provided core road functions are not adversely affected (s.15B(1)(g)).

Current sections

Direct links to the current provisions in Main Roads Act 1930.

Authorised Version

The authorised version of this legislation is published by the jurisdiction's legislation service. Follow the link below to read or download it from the official source.

View on official register

Sourced from the Western Australian Legislation website (legislation.wa.gov.au). Not the authorised version.

Who it affects

The Act casts a wide net. Primary addressees are:

The Commissioner of Main Roads (and deputy, officers and delegates). The Commissioner is both a statutory office (s.7) and a body corporate clothed with the immunities of the State (s.9AA). Officers are subject to the Commissioner’s direction (s.11) and restricted from outside employment or participation in Commissioner contracts (s.10(3)).
The Minister for Transport (or equivalent). The Minister appoints the Commissioner and Board members, gives directions (s.19B), approves major agreements (ss.18D, 18F), receives reports and has access to all Commissioner information (s.19C). The Minister hears appeals from local governments (s.13A(3)) and from persons aggrieved by advertising-control directions (s.33B(2A)–(2C)).
Local governments and regional local governments. These bodies must be consulted before proclamation of highways, main roads or secondary roads and before permanent improvements (ss.13A, 24(3)(b)). They retain powers over declared roads subject to Commissioner direction (s.16(2)), may tender for works (s.16(3)), are responsible for maintaining secondary roads (s.24(5)) and can be directed to carry out maintenance or repay Commissioner-incurred costs (s.24(6)–(7B)). They also receive delegated advertising-control functions (s.33C).
Road users. Motorists, cyclists, pedestrians, heavy-vehicle operators and livestock owners face offences for damaging vegetation or littering (s.15A), driving on closed roads (s.16A(4)), entering COA road sections except at approved points (s.28A(7)(a)), or using livestock movement lanes without approval (s.28A(7)(e)).
Property developers and mining operators. Section 33 expressly authorises the Commissioner to charge developers for infrastructure required to provide safe access from new subdivisions and to charge mining entities for upgrades necessitated by new or expanded operations. These charges may be capital or periodic and are recoverable as debts due to the State.
Adjoining landowners. Their common-law access rights can be extinguished by COA proclamation, triggering compensation (s.28A(2B)). They may receive Commissioner-provided alternative access when reconstruction prejudices existing frontage (s.20). They can also be affected by adjoining works (s.22A) or environmental offset planting on their land.
Advertisers and sign owners. Regulations made under s.33B can prohibit or require removal of hoardings or advertisements near declared roads if they create traffic hazards or are aesthetically objectionable. Appeals lie to the Minister.
The Main Roads Advisory Board. Five Minister-appointed members advise on road needs, user concerns and matters referred by the Minister (s.12B). Schedule 1 governs its operation.
The Treasurer. Must approve borrowings (s.9A), guarantees, certain business arrangements (s.18F) and the quantum of debt-servicing contributions from the Trust Account (s.32(1)(b)).
The Governor. Exercises proclamation powers on the Commissioner’s recommendation for road declarations, COA status and variations (ss.13, 24, 28A).
Contractors, consultants and research bodies. The Commissioner may enter business arrangements, procure research or exploit intellectual property (s.18E).

Thus the statute directly shapes the legal rights and obligations of virtually every entity that plans, funds, builds, uses or adjoins a significant Western Australian road.

Key duties and rights

Commissioner’s duties include constructing and managing the declared-road network (s.15B(1)(a)), consulting local governments before recommendations or works (ss.13A, 27A(3)), providing reasonable alternative access when reconstruction severs existing frontage (s.20(1)), maintaining motor traffic passes and gates on highways and main roads (s.28(8)), and applying Trust Account moneys in the statutory order of priority (s.32(1)). The Commissioner must also comply with ministerial directions (s.19B(1)) and afford the Minister full information access (s.19C(3)).

Rights of the Commissioner are expansive: power to survey, investigate, purchase land and materials (s.17), close unsafe roads for up to 28 days (or longer with ministerial approval) (s.16A), erect signs and traffic devices (s.16(1C)), delegate functions (s.10C), enter business arrangements (subject to approvals) (s.18F), charge for infrastructure and extra wear (s.33), own intellectual property generated in the course of functions (s.22(2)), and recover debts in court (ss.24(7B), 28B(3), 33(4)).

Local governments hold residual powers over declared roads exercisable only under Commissioner control or direction (s.16(2)) and a statutory right to notice and objection before proclamations or major works (s.13A). They may tender for Commissioner-funded works (s.16(3)) and receive delegated advertising-control powers (s.33C).

Adjoining owners possess a statutory right to compensation when access is extinguished by COA proclamation (s.28A(2B)–(2K)). The compensation formula is precisely prescribed: difference in market value on the relevant valuation date (1 January or 30 June preceding Gazette publication) less any benefits from subsidiary roads or other works (s.28A(2J)). They may also negotiate agreements with the Commissioner for additional works on their land (s.18E(i)).

Road users and developers have rights to procedural fairness before closure orders or charges are imposed, although the Act leans toward administrative efficiency. Infringement-notice and court processes are available (ss.35–36).

The Minister holds directive power (subject to carve-outs for proclamations) (s.19B(3)), appointment and approval rights, and appellate jurisdiction.

These duties and rights are buttressed by protection from personal liability for good-faith acts (s.34) and a two-year limitation period for prosecutions (s.35).

Court challenges and controversies

The source text itself does not record decided cases; however, the structure of the Act reveals likely flashpoints. Compensation under s.28A(2C)–(2K) invites valuation disputes—market value on prescribed dates, deduction of “betterment” from subsidiary roads, and whether an agreement under s.28A(2G) binds the Court. The statutory valuation-date rule (1 January or 30 June preceding Gazette publication) was designed to prevent litigation over precise proclamation timing but may still generate arguments about which valuation methodology applies when markets are volatile.

Compulsory-acquisition procedures under the Land Administration Act 1997 as modified have produced historic disputes over severance, injurious affection and special value. The Act’s insistence that no compensation is payable for fencing along roads taken from enclosed land (s.28(11)) has been controversial among pastoralists.

Closure powers (s.16A) limited to 28 days without ministerial approval have prompted challenges when lengthy construction projects effectively close roads for longer. The Commissioner’s ability to close for “traffic of any particular class” (including oversize vehicles) raises questions of proportionality and whether alternative routes must be provided.

Local-government appeals to the Minister under s.13A(3) have occasionally escalated into judicial-review proceedings alleging failure to consider mandatory consultation or irrelevant considerations. The 2023 expansion of commercial powers may generate future ultra-vires claims if revenue activities are said to “adversely affect” core road functions (s.15B(1)(g)).

Controversies also surround advertising-control regulations made under s.33B. Pastoral and tourism operators have objected to removal of roadside signage on aesthetic grounds, arguing that the Minister’s appellate decision is administrative and therefore reviewable.

Overall, the Act’s heavy reliance on Governor’s proclamations, ministerial approvals and Commissioner opinions has insulated many decisions from easy merits review, pushing aggrieved parties toward judicial review on procedural or jurisdictional grounds.

Gotchas

Most practitioners miss that the Commissioner’s power to charge developers and miners under s.33 is not limited to cases where the developer caused the need; it extends to any activities that “require the Commissioner to construct, reconstruct, establish, alter or maintain infrastructure”. The charge can be capital or recurring and is recoverable as a State debt—creating leverage in negotiations long before works commence.

The COA compensation formula contains a hidden trap: the valuation dates are fixed by Gazette publication date, not by the date access is physically prevented. Developers who obtain early knowledge of impending proclamations cannot “lock in” a higher valuation by accelerating transactions.

Section 18E(l) permits participation in business arrangements and research bodies, but s.18F requires both Minister and Treasurer approval for any arrangement falling within the commercial limb of s.15B(1)(g)(ii) or (iii). Many assume ministerial approval alone suffices; the dual-approval requirement can add months to transaction timetables.

Local governments frequently overlook that their residual powers over declared roads (s.16(2)) remain subject to Commissioner “control and direction” even if day-to-day approval is not required for every minor act (s.16(2A)). A direction issued years earlier can be revived, exposing councils to cost-recovery actions under s.24(7B) if maintenance standards slip.

The intellectual-property assignment in s.22(2) operates by force of statute. Consultants and contractors who believe they retain copyright in designs or software created for the Commissioner are mistaken; the right is automatically assigned to the Commissioner.

Finally, the “taken to have always had” language in ss.16(1a), 16(1C), 18A(1) and 18AA(1) is a legislative validation device. It prevents arguments that historic actions lacked power, but it also means due-diligence searches must examine conduct predating the 2023 amendments as though the new powers had always existed.

How to comply

Compliance begins with mapping every proposed activity against the road-classification hierarchy. Determine whether the road is a highway, main road, secondary road, COA section or non-declared road; each attracts different consultation, funding and approval pathways.

For developers and miners: engage the Commissioner early under s.33. Negotiate a contribution agreement before lodging planning applications. Document the causal link (or absence of one) between the development and required infrastructure; the Commissioner’s charge is discretionary but must be rationally connected to the statutory purpose.

Local governments should maintain a register of Commissioner directions and ensure that any works on declared roads are either funded by the Commissioner or performed under a s.16(3) agreement that expressly states the cost to be paid from the Trust Account. Failure to maintain secondary roads to the Commissioner’s satisfaction triggers a formal notice under s.24(6); non-compliance exposes the council to direct Commissioner works and a recoverable debt.

Landowners seeking to protect access should monitor Gazette notices. Once a COA proclamation issues, the two-year limitation for compensation claims under the modified Land Administration Act 1997 s.207 (see s.28A(2I)) commences on Gazette date. Lodge claims promptly and preserve evidence of pre-proclamation market value.

Agreements under ss.18A, 18AA, 18B or 29 must be vetted for expenditure thresholds that trigger mandatory Minister or Treasurer approval (ss.18D, 18F). Include clauses allocating risk for future maintenance, environmental offsets and intellectual property.

The Commissioner’s own compliance system must include: (i) documented consultation with local governments (s.13A); (ii) ministerial approvals for closures exceeding 28 days aggregate per year (s.16A(2)); (iii) recording of all ministerial directions and their inclusion in the annual report (s.19B(2)); (iv) statutory priority in Trust Account expenditure (s.32(1)); and (v) delegation instruments that comply with ss.10B–10C formalities and prohibit sub-delegation where forbidden.

All parties should maintain records sufficient to defend against the $5,000–$10,000 penalties. Because infringement notices can issue up to six months after the offence and prosecutions up to two years, contemporaneous photographic, GPS and financial records are essential.

Finally, because the Act cross-references so many other statutes, embed a compliance matrix that flags interactions with the Land Administration Act 1997, Road Traffic legislation and financial-management requirements. Annual legal health-checks against the 2023 amendments are now indispensable for any entity that adjoins, funds, builds or regulates a Western Australian strategic road.