M1 Pacific Motorway Upgrade: Five Years, $1.5 Billion, and It's Finally Done

Status: COMPLETE — November 2025 Final Cost: $1.5 billion Route: Varsity Lakes (Exit 85) to Tugun (Exit 95) — 10 kilometres

Overview

After five years of construction, the M1 Pacific Motorway upgrade between Varsity Lakes and Tugun was completed in November 2025.¹ The $1.5 billion project widened 10 kilometres of one of Australia's busiest motorways from two lanes to a minimum of three lanes in each direction — delivering long-overdue congestion relief to the southern Gold Coast.

The completion closed the last major gap in the M1 upgrade program, connecting the previously upgraded northern sections with the Queensland–New South Wales border corridor.

What Was Built

The upgrade delivered a significant package of new infrastructure across the 10-kilometre corridor:

- 3 lanes minimum each direction across the full 10 km (previously 2 lanes) - Extended entry and exit ramps at all interchanges along the corridor - Widened bridges over Tallebudgera Creek and Currumbin Creek - New western service road between Tallebudgera (Exit 89) and Palm Beach (Exit 92), providing a parallel route for local traffic - New bridge over Tallebudgera Creek connecting to the western service road - Smart motorway technology reducing stop-start travel and improving throughput during peak periods - Stone mastic asphalt road surface — quieter and lower maintenance than concrete - Active transport paths for pedestrians and cyclists along the corridor - Noise mitigation works along affected residential sections - Rail corridor preservation — the design incorporates and protects a future heavy rail alignment alongside the motorway

Three Packages, Five Years

The project was delivered in three separate construction packages:¹

Construction on Package A began in May 2020. The full project took approximately 5.5 years from first works to final completion.

Why Did It Cost So Much?

The original budget was $1 billion — $680 million from the Australian Government and $320 million from Queensland.⁴ The final figure came in at $1.5 billion, with both governments each contributing $750 million in a 50:50 split.¹ A combination of extraordinary circumstances drove the increase.

Queensland Minister for Transport and Main Roads Mark Bailey acknowledged the project "navigated a number of unprecedented issues, including the COVID-19 pandemic, subsequent supply chain delays and nationwide cost escalations."³

COVID-19 pandemic: Supply chain disruptions and labour shortages affected costs and timelines across all packages during 2020–2022.

Construction cost escalation: The post-pandemic period saw significant industry-wide increases in materials, plant hire, and subcontractor costs across Australia — a factor affecting virtually every major infrastructure project delivered in this period.

PFAS contamination and asbestos: Contamination discovered during earthworks required specialist remediation works not anticipated in the original scope.

Tallebudgera Creek flooding: In February 2022, a catastrophic flood event during active construction caused significant damage and delays to Package A. The flood also triggered community concerns about whether construction works had contributed to elevated flood levels — an independent hydraulic review was commissioned in response. This became a significant community and political issue during the project.

The Flood Controversy

The February 2022 Tallebudgera Creek flood was one of the most significant community flashpoints during the project. Properties in the Tallebudgera and Palm Beach areas flooded, and local residents raised concerns that construction activities — including temporary works in and around the creek corridor — had contributed to flood levels being higher than they would otherwise have been.

The independent hydraulic review commissioned by TMR examined these concerns. The findings acknowledged the complexity of the flood event and the presence of construction works, while concluding that the primary flood drivers were the extreme rainfall and creek hydrology.

For affected property owners, the issue underscored the importance of understanding flood risk in creek-adjacent properties along the M1 corridor — an issue that remains relevant for buyers and sellers in Tallebudgera, Palm Beach, and Currumbin Creek areas.

What It Means for Commuters and Residents

Congestion relief: The M1 between Varsity Lakes and Tugun carries over 150,000 vehicles per day, including more than 12,000 heavy vehicles — among the highest traffic volumes on any road in Australia. The pre-upgrade section was a chronic bottleneck, particularly during peak hours and holiday periods. Three lanes each way, combined with smart motorway management, materially improves throughput.

Palm Beach and Tallebudgera service road: The new western service road provides a dedicated local traffic route parallel to the motorway, taking pressure off local streets in Palm Beach and Tallebudgera.

Bridge capacity: The widened Tallebudgera Creek and Currumbin Creek bridges provide redundant capacity at two of the most flood-prone points on the southern Gold Coast corridor.

Freight reliability: The improvement to heavy vehicle travel times between Brisbane, the Gold Coast, and northern NSW is significant for logistics and freight-dependent businesses.

Quieter roads: The stone mastic asphalt surface used throughout the project is measurably quieter than concrete — a benefit for residents adjacent to the motorway.

The Rail Corridor Embedded in the Road

One of the less-publicised but strategically important aspects of the upgrade is that the design specifically preserves a corridor for future heavy rail alongside the motorway alignment. This connects to the long-term plan for a heavy rail extension from Varsity Lakes to Gold Coast Airport — a project that the government has acknowledged is at least 20 years away, but which is actively protected in state planning instruments.

Preserving this corridor now, while major civil works were underway, avoids the far greater cost and disruption of acquiring and clearing a future rail corridor through built-up areas. It is one of the more forward-looking aspects of the project.

Olympic Games 2032 Connection

The upgraded M1 is a core component of the Queensland Government's road network preparation for the 2032 Brisbane Olympic and Paralympic Games. The motorway is the primary arterial route serving:

- Southern Gold Coast Olympic venues - Gold Coast Airport (key Games transport node) - Cross-border movements between Queensland and New South Wales

A fully upgraded, 3-lane motorway with smart traffic management significantly improves the capacity for high-volume Games-period traffic movements in the southern Gold Coast.

Sources

1. TMR Queensland (2025) Pacific Motorway M1 Varsity Lakes to Tugun upgrade, Department of Transport and Main Roads. tmr.qld.gov.au 2. Infrastructure Pipeline (2023) Pacific Motorway M1 Upgrade - Varsity Lakes to Tugun, Infrastructure Pipeline. infrastructurepipeline.org 3. Infrastructure Magazine (2023) QLD Gov delivering $1.5B M1 upgrade, Infrastructure Magazine. infrastructuremagazine.com.au 4. Queensland Government (2022) First section of $1 billion Gold Coast M1 upgrade now open, Ministerial Media Statements. statements.qld.gov.au

Article first published: February 2026. Last reviewed: 2 March 2026. Project complete — monitor for any legacy issues (flooding, noise, contamination remediation) and the progress of heavy rail corridor planning.

Disclaimer: The information in this article is for general informational purposes only and does not constitute financial, investment, or valuation advice. Fields Real Estate (Licence No. 4832971) makes no warranty as to the accuracy or currency of data published. Readers should conduct their own due diligence and seek independent professional advice before making any property or investment decision. Read our full disclaimer →