At 5 p.m., at the checkpoint at Phu Dong bridge (Gia Lam district, Hanoi). Although it was rush hour, there was no traffic jam.

The use of cameras that scan QR codes through webcams to control vehicles entering and leaving Hanoi at checkpoints like these has been showing effectiveness.

As noted by the reporter of the VietnamPlus e-newspaper, with this new approach, road users make medical declarations in advance on application platforms to receive QR codes.

When arriving at checkpoints, people use the same QR code to be scanned by webcams directly connected to computers. Each scan takes about 3 to 5 seconds./.

VNA