In order to maintain driving safety, the Central Region Branch Office of the Freeway Bureau adopted a lane-by-lane closure method to replace expansion joints on the section from the northbound Xiluo Interchange to Beidou Interchange of National Freeway No. 1. If completed early, it would be opened to traffic immediately. The construction period is as follows: The locations are as follows:
From 9:00 on May 6th (Monday) to 12:00 on May 10th (Friday), the 3rd lane and outer shoulder of northbound 227k+900 to 225k+600 would be closed for construction.
From 9:00 on May 13 (Monday) to 12:00 on May 17 (Friday), the 1st and 2nd lanes of northbound 227k+900 to 225k+600 would be closed for construction.