Laser installation aims to reduce driver fatigue on expressway

The use of lasers will be tested at three high-risk locations on the Phnom Penh–Preah Sihanouk Expressway from Thursday, June 19, with the goal of reducing accidents caused by driver fatigue at night. …

Phak Seangly
https://www.phnompenhpost.com/national/laser-installation-aims-to-reduce-driver-fatigue-on-expressway