Urban Passenger Tricycle Motorcycles: A Sustainable Mobility Solution Urban passenger tricycle motorcycles, commonly known as e-rickshaws or auto-rickshaws in many regions, have emerged as a vital mode of transportation in densely populated cities. These three-wheeled vehicles are designed to carry passengers efficiently while navigating narrow streets, congested traffic, and areas with limited infrastructure. Their compact size, affordability, and low operational costs make them a preferred choice for short-distance urban commuting, particularly in developing economies. One of the key advantages of passenger tricycles is their maneuverability. Unlike larger vehicles, they can easily weave through traffic, reducing travel time in crowded urban centers. Many models are electrically powered, contributing to lower emissions compared to traditional gasoline or diesel-powered transport. This eco-friendly aspect aligns with global efforts to reduce urban air pollution and combat climate change. Additionally, electric tricycles operate quietly, minimizing noise pollution—a significant benefit in residential areas. Passenger tricycles also play a crucial role in providing livelihoods for drivers. With relatively low upfront costs and minimal maintenance requirements, they offer an accessible income source for many individuals. In cities where formal public transport systems are inadequate, these vehicles fill critical gaps, ensuring last-mile connectivity for commuters. However, challenges remain, including safety concerns due to lightweight construction and limited regulatory oversight in some regions. Improving design standards, enforcing traffic rules, and promoting driver training can enhance safety. Overall, urban passenger tricycle motorcycles represent a sustainable and practical mobility solution, balancing affordability, efficiency, and environmental benefits. As cities continue to grow, their role in urban transportation networks is likely to expand, especially in regions prioritizing inclusive and green transit options.