
IoT devices are becoming part of a smart city infrastructure that can combat the strain of city growth, from traffic control to environmental issues.
A smart city can be defined as an innovative city or municipality that seeks to enhance the quality of life of its inhabitants by internalizing smart technology. A smart city seeks to improve the operational efficiency and quality of urban services to reduce waste through the use of information and communication technology (ICT).
Smart technology for smart cities can be implemented in sectors such as power supply, public transportation systems, solid waste management, etc.
As their populations balloon, cities face opportunities and challenges. An influx of new residents and visitors can enliven a city’s economy and generate revenue. At the same time, more people in urban areas strain resources. Cities are turning to Internet of Things technologies to alleviate the burden and create economic growth.
Smart Infrastructure
A smart city is characterized by smart infrastructure that is optimized for performance while reducing waste and saving on energy consumption at the same time. The whole idea of a smart city when it comes to infrastructure is to have an energy-efficient infrastructure and one that is also environmentally friendly through the use of intelligent technology.
For instance, a street light that only lights up when it senses movement or when someone walks under it is a way of reducing energy consumption in a smart city.
Smart City Air Management
Another attribute of a smart city is its ability to analyze air pollution data and to make certain emission forecasts for the coming days with a certain degree of accuracy.
Smart Traffic Management
This deals with the smart city’s ability to optimize traffic control. A smart city needs to put technological parameters in place for an intelligent traffic control solution.
For instance, in smart cities, certain integrated sensors have been programmed to send real-time traffic flow updates to a designated platform. The platform then undertakes a critical analysis of the data and then, in a matter of seconds, automatically adjusts traffic lights within the city to ease traffic conditions.
Smart Parking
Another remarkable attribute of a smart city is intelligent parking solutions. Sensors are installed in parking areas, and these sensors keep a record of when a driver leaves a particular parking lot. These sensors also inform drivers of areas where free parking spaces are available. This information is sent to the smartphone of the driver.
Smart Waste Management
This aims to address environmental issues associated with inefficient waste management and also to improve on the efficiency of waste collection and to reduce operational costs associated with waste management.
For example, sensors are installed on waste containers, and once the waste gets full to a certain level, those in charge of waste management receive a message through their smartphone, and a truck driver comes to empty a full waste container. They do not have to come when the container has not reached a full level.

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