Xizhimen overpass single change in the new Yan, the main road near the traffic smooth, but the first body to go into Baiyilu Xizhimen, the traffic jam problem remains.

• 在西直门立交桥旧貌变新颜后，二环主路上的交通顺畅了，但从西直门往西到首体进白颐路，堵车问题依然如故。