Mass Rapid Transit Authority of Thailand (MRTA) by Safety Occupational Health and Environment Office executed a night audit for the MRT Yellow Line Project: Lat Phrao – Samrong Section construction sites from Bang Kapi Station to Lat Phrao Station on Lat Phrao Road for inspecting lighting along the route for the safety of road users and preventing accident in at night, inspecting barriers and warning signs, as well as instructing workers to work immediately to repair any damage and to adhere strictly to safety standards, in according to MRTA Safety Declaration: Zero Fatal Accident and COVID-19 prevention measures regulated by Ministry of Public Health.