Group 1 - The core issue is the delay in the opening of the Wangjing West Station of the subway line 17, which is causing inconvenience for commuters who need to transfer to reach the Future Science City [3][4] - The Wangjing West Station has two entrances, but one is not operational due to the slow progress of the associated transportation hub construction, which is affecting the station's opening conditions [3][4] - The transportation hub was completed on June 30 of the previous year, but it has not opened due to issues with fire safety inspections related to the existing transfer passages for lines 13 and 15 [4][5] Group 2 - The construction of the underground transfer hall at Wangjing West Station is progressing slowly, which is intended to replace the existing transfer passage that has been criticized for its long walking time [4][5] - The complexity of the surrounding environment, including proximity to existing operational lines and high-pressure gas facilities, is contributing to the construction difficulties [5] - Relevant departments are actively coordinating to expedite the opening of the transportation hub and the associated subway station facilities [5]