The reporter learned from the Tianjin Transportation Commission.，September 6，Tianjin-Beijing Daxing International Airport Railway（Hereinafter“Tianjin-Xingtai Intercity Railway”）It formally entered the stage of joint commissioning and testing.。

Tianjin-Xingtai Intercity Railway is one of the major infrastructure projects for the coordinated development of Beijing, Tianjin and Hebei.，It starts at Tianjin West Railway Station，Final Beijing Daxing International Airport.，After completion, the Beijing Daxing International Airport collection and distribution network will be further improved.，Help build“Beijing-Tianjin-Hebei on the track”。

Yin Xiangjun, Director of Railway Construction Department of Tianjin Transportation Commission, introduced.，Construction of Jinxing Intercity Railway will start in 2020.，In September 2022, the bridge of the whole line was completed.；Track laying of the whole line will be completed in April 2023，Yongqing East Railway Station will be completed in May、Decoration of Anci Station Building，The main line was completed in June.。This July，Jinxing Intercity Railway Enters Acceptance Stage，At present, static acceptance has been completed.，Have the conditions for joint commissioning and testing。

It is understood that，Joint commissioning and testing is the most comprehensive inspection and testing of each system before the formal operation of the new railway line.，Use the detection train、Comprehensive inspection train、Comprehensive testing of test EMUs and related testing equipment，Evaluation and verification of traction power supply、Catenary、Communication、Signal、Customer Service、Disaster monitoring and other system performance，Verify the track、Turnout、Roadbed、Bridge、Suitability of structural works such as tunnels，Evaluate comprehensive grounding、Whether the electromagnetic environment and other equipment and facilities meet the standard requirements，So as to debug all business systems and the overall system of the whole line.、Provide technical support for optimization，Make the function and performance of each system and the whole system meet the design requirements.。

At present，Many departments are working together to ensure the smooth progress of joint commissioning and testing.。Organize locomotive crew in Tianjin Locomotive Depot of China Railway Beijing Bureau Group Co., Ltd.、Instruct drivers to carry out locomotive operation training，The schematic diagram of Jinxing Intercity Railway Line was made in advance.，Formulate 18 safety measures according to the line characteristics，Ensure that the quality of personnel is up to standard、Safety implementation of joint commissioning and testing。In addition，Tianjin Electric Depot of China Railway Beijing Bureau Group Co., Ltd. has set up a professional team of nearly 100 people for joint commissioning and testing.，Take advantage of the opportunity of joint commissioning and testing to switch、 Track 、Dynamic function verification of annunciator and other equipment；China Railway Beijing Bureau Group Co., Ltd. Tianjin Passenger Transport Section selected 8 high-speed train conductors and 16 crew members to set up a service team.，Make every effort to do a good job of service guarantee.。

Yin Xiangjun said，After successful completion of joint commissioning and test，Jinxing Intercity Railway will enter the operation test stage，It is expected to be officially opened by the end of 2023.，Further optimize the layout of railway network in Beijing-Tianjin-Hebei region，Promote regional economic and social development along the line。（Reporter Liu Weizhen）