山东首条市域铁路开始架梁，未来烟台站至机场站仅需25分钟

Core Viewpoint - The construction of the Longkou to Yantai Railway urbanization project has entered the superstructure construction phase, with the completion of the first pre-cast T-beam, marking a significant advancement in the project timeline [1][3]. Group 1: Project Overview - The Longkou to Yantai Railway is a rapid railway connecting Longkou City and Yantai City in Shandong Province [3]. - The first T-beam installed measures 32.6 meters in length and weighs 134.3 tons, utilizing a specialized DJ180 type bridge crane for the installation [3]. - The project incorporates advanced technology, including a bridge crane posture monitoring system and a collision radar system to enhance safety and efficiency during construction [3][5]. Group 2: Project Specifications - The railway spans a total length of 46.6 kilometers, with 10.52 kilometers of new bridges and 9.04 kilometers of tunnels, resulting in a bridge and tunnel ratio of 41.6% [5][6]. - The project will establish six new stations and renovate four existing stations, with completion expected by the end of September 2027 [6]. Group 3: Economic and Social Impact - The railway will significantly reduce travel time between Yantai Station and the airport station to approximately 25 minutes, enhancing public transport connectivity [8]. - It aims to facilitate commuter traffic, airport passengers, ferry traffic, and tourism, thereby playing a crucial role in improving the regional transportation network and promoting economic and social development in Yantai [8].