3月2日起，长沙这一路口禁止左转！

Group 1 - The article discusses traffic restrictions in the Tianxin District of Changsha due to construction work on the drainage improvement project [1] - Starting from March 2, vehicles will be prohibited from making left turns at the intersection of Lin Da Road and Qingyuan Road, and straight travel will be banned on Qingyuan Road in both directions [1] - The traffic management authority will issue further announcements if there are any adjustments to the traffic restrictions during the construction period [3] Group 2 - Drivers are reminded to comply with traffic regulations and follow the instructions of traffic management personnel for safe and orderly travel [3]