6月25日凌晨6时,北京三环主路撤销封路标志。历时近5个月的三环主路完成大修,其辅路部分也将于7月中旬正式开始大修,预计全部工程将于今年9月全部完工。全长48公里、双向6车道的三环路改造项目共分为6个标段,有6家承包商施工。本次改造的重要工序之一,就是根据不同路段的具体情况首先对路面进 At 6 a.m. on June 25, the main road in Beijing’s Third Ring Road revoked the seal road sign. The main road of the Third Ring Road, which lasted nearly 5 months, has undergone major overhauls. The auxiliary roads will also officially begin overhaul in mid-July. All the works are expected to be completed in September this year. A total length of 48 km, two-way six-lane Third Ring Road reconstruction project is divided into six sub-sections, six contractors. The transformation of one of the important processes is based on the specific circumstances of different sections of the road first