This book presents research advances in intelligent transportation and smart city in detail, mainly focusing on green traffic and urban utility tunnels, presented at the 5th International Symposium for Intelligent Transportation and Smart City (ITASC 2022) held at Tongji University, Shanghai, on May 20-21, 2022. It is also branch of the International Symposium on Autonomous Decentralized Systems (ISADS) 2023. Due to rapid development in the domain of intelligent transportation and smart city, many popular topics are included, such as the 2BMW system (Bus, Bike, Metro and Walking), transportation safety and environment protection, urban utility design and application, the application of BIM in the city design. This book collects papers with high quality, including some authoritative scholars and most experienced engineers' latest achievements, which will provide guidance to those both in universities and entrepreneurs in the field of transportation and urban planning. The first conference in the ITASC series was held in 2013 as a workshop of the International Symposium on Autonomous Decentralized System (ISADS) in Mexico City. The second to fourth were held in May 2015, 2017 and 2019, respectively, in Tongji University, Shanghai.