The Standardization Administration of China, is pleased to host the 45th meeting of ISO Technical Committee 204 for Intelligent Transport Systems. Together with the organizer, the Research Institute of Highway, Ministry of Transport , we extend a warm welcome to all delegates and wish you a most productive and memorable stay in China’s beautiful city of Hangzhou. The ISO TC 204 Working Group and Plenary meetings will take place at the Hyatt Regency Hangzhou from Monday 20 April to Friday 24 April 2015. This hotel is located on the banks of the picturesque West Lake; Hyatt Regency Hangzhou is a distinctive landmark for corporate meetings and leisure travel with close proximity to the city’s business, entertainment and shopping districts and offers convenient access to the most famous tourist’s attraction. Hangzhou is an international tourist city, a famous national historic and cultural city, a central city in the Yangtze River, and the capital of Zhejiang Province. The famous West Lake is like a brilliant pearl embedded in the beautiful and fertile shores of the East China Sea near the mouth of the Hangzhou Bay. The lake covers an area of 5.6 square kilometers. The view of the West Lake is simply enchanting, which offers many attractive scenes for tourists.