Core Viewpoint - Beijing's transportation infrastructure is undergoing continuous expansion and upgrading, with significant projects set to enhance traffic flow and urban development [1] Group 1: Infrastructure Developments - The new section of the Jingmi Expressway from Tianbei Road to Anhua Street and the newly constructed south-to-west ramp at the Yuantong Bridge interchange will officially open on December 28 at 12:00 [1] - These projects aim to alleviate traffic pressure in key areas and improve the urban road network system [1] - The completion of these projects is expected to provide strong momentum for citizen mobility and regional development [1]