Summary：The development of smart cities has become a major global trend among advanced nations, involving a wide range of stakeholders and technologies; among these, Internet of Things (IoT) technology serves as a crucial piece of infrastructure. Many studies identify the IoT as a key player in the future of the internet—or even as the defining technology of the future.
With 3,000 sensors installed along the highway, "smart transportation" in the United States is already showing initial results.
Smart cities are a major trend in the development of advanced countries worldwide, involving numerous supporters and technological aspects, with the Internet of Things (IoT) being a crucial infrastructure component. Many studies consider IoT to be one of the key players in the future internet, even a "technology of the future."
Highways equipped with 3,000 sensors: The US's "smart transportation" is showing initial results.
As major road transportation hubs in the US, New Jersey's highways and the Garden State Highways are extremely busy, handling over 2 million vehicles daily. Traffic jams are inevitable during rain, snow, strong winds, or other accidents. In recent years, New Jersey has actively invested in highway widening projects and installed over 3,000 sensors along the routes—a digital warning sign every three miles. The strategy used by IBM and the New Jersey Highway Authority is called the "Advanced Traffic Management Project." This next-generation technology features real-time context awareness and predictive insights, allowing Highway Authority staff to proactively and more easily address emerging problems. Signals from roadside sensors allow staff to detect slow traffic on certain sections, thus determining if an accident has occurred or a traffic jam is imminent.
While accidents and traffic jams may not be entirely avoidable at present, in the era of the Internet of Things (IoT), data-driven new technologies will significantly reduce the number and frequency of accidents. Furthermore, even in traffic jams, drivers can receive timely information to proactively adjust their driving plans and manage their expectations, thus alleviating anxiety and leading to a more pleasant driving experience.
Based on gene-based targeted treatment, 14 US medical institutions will deploy the "AI doctor" Watson this year.
Recently, 14 cancer treatment institutions from the United States and Canada began deploying the Watson computer system, which can select suitable treatment plans based on the genetic fingerprint of a patient's tumor.
It is reported that Watson, with its exceptionally powerful medical science and clinical database of specific cancers and feasible treatment plans, can reduce the time to find treatment drugs for cancer patients to within minutes. Oncologists will upload the DNA fingerprint of the patient's tumor—indicating potential mutations or malignant tumor development—to the Watson cloud system, which then searches its database for approved or experimental cancer treatments.
Meanwhile, surveys show that 10.6% of hospitals in the US plan to implement artificial intelligence (AI) within one year, 23.5% within two years, and another 24.7% within three to five years. Extrapolating from this, approximately 35% of healthcare institutions plan to use AI technology within two years, while more than half plan to implement it within five years.
Smart streetlights are proving incredibly useful in Los Angeles, capable of providing illumination, identifying parking spaces, and even helping to combat crime.
Los Angeles, the second-largest city in the US, has leveraged its extensive network of smart, interconnected streetlights to implement new technologies and IoT functionalities. These include equipping streetlights with sensors and installing software to collect data, analyze information, and share insights, making city operations more transparent. For example, new acoustic sensors and environmental noise monitoring sensors can detect the sound of vehicle collisions, providing timely information directly to the city's communication dispatch system. This helps police, fire, and emergency services shorten response times and provide earlier assistance to patients. Cameras integrated into streetlights allow residents to easily and conveniently locate parking spaces in advance. Most importantly, combining streetlights with gunshot detection equipment can effectively and accurately pinpoint crime locations, improving police response speed, deterring criminals, and reducing crime rates.
Currently, Los Angeles has over 200,000 streetlights serving citizens on ordinary roads, highways, tunnels, and sidewalks.
The United States has made rapid progress and achieved significant results in building smart cities, thanks to the Obama administration's strong promotion of the "Smarter Planet" initiative. my country's Internet of Things (IoT) has developed at a pace comparable to that of developed countries in recent years. Learning from these experiences and methods can help accelerate the realization of my country's unique "smart city" model.
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