路网加密，京津冀三地居民幸福路越走越宽

Group 1 - The integration of transportation is a crucial aspect of the coordinated development of Beijing-Tianjin-Hebei, with significant progress made in the construction of key transportation projects since the start of the 14th Five-Year Plan [1] - New transportation links, such as the cross-province bridge and upcoming highways, are enhancing connectivity and improving the quality of life for residents in the region [1] - The launch of the Dachaun to Lucheng subway express bus line has made cross-province commuting more convenient, reducing travel time significantly for local residents [3][4] Group 2 - The Chengping Expressway's Beijing section is nearing completion, which will halve travel time between Beijing and Chengde, enhancing connectivity [6][11] - The Wuling Mountain service area on the Chengping Expressway is designed with eco-friendly technologies, aiming for zero carbon emissions during its operational phase [6][7] - The expansion of the Langzhu Expressway from a four-lane to an eight-lane highway is underway, which will alleviate traffic pressure in the capital region upon completion [10][11] Group 3 - The Dachaun Road is becoming a vital link between Dachaun Station and Beijing, contributing to a multi-dimensional commuting system that integrates high-speed rail, highways, and buses [4] - The construction of the Beijing-Tangshan Intercity Railway has marked the entry of Dachaun into the "high-speed rail era," facilitating faster travel to Tianjin [3][4] - The overall transportation network in the Beijing-Tianjin-Hebei region is evolving into a well-connected system, enhancing regional economic collaboration [1][4]