{
  "id": 5569279,
  "title": "Potholes are annoying and dangerous: Now they're political",
  "url": "https://urgent.news/2026/09/04/potholes-are-annoying-and-dangerous-now-theyre-political",
  "topic": "world",
  "section": "World",
  "published": "2026-09-04T14:00:03.000Z",
  "source": {
    "name": "Phys.org",
    "slug": "phys-org",
    "url": "https://phys.org/news/2026-09-potholes-annoying-dangerous-theyre-political.html"
  },
  "original_language": "en",
  "account": "Victoria is experiencing a surge of interest in potholes ahead of the upcoming state election scheduled for November. National Transport Research Organization reports that Victoria possesses the most severe pothole predicament among all Australian states. Potholes can inflict damage on critical vehicle components such as tires, wheels, suspension, and undercarriage. The surge in heavy vehicle traffic on Australian roads has exacerbated the deterioration of roads. Climate change is also contributing to the problem. The Victorian government recently allocated an additional $352 million to double its target of repairing 500,000 potholes by the end of January 2027. This funding will partially compensate for delaying three previously planned level crossings by a year. Meanwhile, the Coalition has pledged to invest $5 billion over four years into road maintenance, which includes a goal of repairing one million potholes. The term 'pothole' has become a focal point in the political sphere. The national Snap Send Solve platform has documented a 27% rise in road and pothole issues nationwide as of June 2026. It is crucial to note that this is merely a community-driven observation, not a thorough pavement assessment, and cannot accurately quantify the overall deterioration of Australian roads. Existing national road condition data is inadequate and inconsistent, making state-by-state comparisons challenging. However, there is both anecdotal evidence and significant media attention suggesting that the pothole issue is becoming increasingly problematic across Australia. Typically, local councils are responsible for maintaining local roads, while major arterial and state roads fall under the jurisdiction of state and territory governments. The federal government provides substantial funding for road projects but generally does not directly manage road maintenance. To simplify, a pothole is not the underlying disease but rather a visible sign of deterioration within the road pavement. Most road pavements consist of several layers, including an asphalt or bituminous surface atop layers of crushed rock or other materials. Over time, the asphalt may crack due to factors like heavy traffic, aging bitumen, temperature fluctuations, construction errors, or movement in the subsurface layers. As cracks develop, water can infiltrate the pavement, weakening the materials beneath the surface and compromising the bond between the bitumen and aggregates. Repeated traffic stresses the weakened area, leading to surface detachment and the formation of a pothole. Once a small hole appears, deterioration can escalate rapidly. This is why potholes can seem to emerge abruptly following rain, even though the damage may have been occurring for months or even years. Local geology can further exacerbate the problem: moisture-sensitive soils, such as expansive clays in certain regions, can shrink or expand, contributing to pavement movement and cracking. Recent research utilizing climate records from over 450 weather stations across Australia has revealed substantial variations in pavement temperatures across different regions. Temperature plays a crucial role in asphalt aging, deformation, and cracking, emphasizing the importance of designing and maintaining roads tailored to local climates. The type of vehicle also impacts pavement wear: heavy trucks exert significantly greater stress on roads compared to regular cars. Climate change can further aggravate the situation by raising temperatures, accelerating asphalt aging and deformation, and increasing the intensity of rainfall, which in turn accelerates moisture-related deterioration. When a pothole poses an immediate safety risk, crews must promptly repair it to restore a safer surface, although this may not necessarily address the underlying deterioration. If the road pavement's underlying layers have weakened due to water, movement, or loss of support, a mere surface patch may offer only a temporary fix. A more permanent solution involves removing loose and damaged materials, preparing the area appropriately, and reinjecting suitable asphalt, which should then be thoroughly compacted and sealed. In cases where deterioration has reached deeper pavement layers, those layers may also require repair or reconstruction. Major resurfacing and rehabilitation generally necessitate warmer and drier conditions for optimal results. The most effective approach is prevention. Sealing small cracks before water penetration, maintaining proper drainage, renewing aging surfaces, and addressing weak sections before extensive damage occurs can significantly improve pavement durability. Our research indicates that asphalt made with recycled concrete, reclaimed asphalt pavement, and recycled glass exhibits strong stiffness, fatigue resistance, and moisture resistance. Several other sustainable materials have also demonstrated potential for enhancing asphalt durability. Some recycled materials are already being utilized in Australia, although their permitted uses and proportions are regulated by road authorities. While greener materials do not always guarantee superior durability, designing materials that deliver both environmental and long-term performance benefits remains a challenge. Emerging technologies, such as AI-based image analysis, remote sensing, sensors, and climate-informed predictive models, hold promise in enabling earlier intervention. Some Australian road agencies and councils have begun employing vehicle-mounted cameras and sensors, with AI assisting in the identification of potholes, cracking, and other defects. However, more advanced predictive systems are still largely in the trial and development stages. While we may not be able to entirely eliminate potholes, we can transition from reactive repair to proactive prevention and prediction, thereby mitigating their occurrence more effectively.",
  "summary": "In Victoria, potholes have become a hot issue in the lead-up to the state election in November. According to the National Transport Research Organization, Victoria has the worst pothole problem in Australia.",
  "key_points": [
    "Victoria leads Australian states in severe pothole problem",
    "$352 million allocated to double pothole repair target by 2027",
    "Pothole issue gains political prominence in national debate"
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}