In what cases must road vehicle drivers reduce speed?

Article 12, Section 3 of the 2024 Law on Road Traffic Order and Safety stipulates:Drivers of vehicles participating in road traffic must observe, reduce speed or stop to ensure safety in the following cases:

a) At places where there are pedestrian crossings or other signs or where pedestrians or wheelchairs of disabled people are crossing the road;

b) There are warning signs of danger or obstacles on the road;

c) Changing direction of vehicle or limited visibility;

d) Where roads intersect at the same level with roads, roads intersect at the same level with railways; narrow roads, roundabouts, winding roads, mountain passes, and slopes;

d) At narrow bridges, culverts, spillways, underground roads, underpasses, and road tunnels;

e) Areas with schools, hospitals, bus stations, crowded public works, densely populated areas, markets, areas under construction on roads, and scenes of road traffic accidents;

g) Having animals walking on the road or grazing on the roadside;

h) Avoid vehicles going in the opposite direction or when allowing vehicles behind to overtake; when there is a turn signal or emergency signal from a vehicle going in the same direction in front;

i) Stops and parking lots on the road where passengers are getting on or off the vehicle;

k) Encountering vehicles transporting oversized, overweight goods, dangerous goods; or pedestrians;

l) Meet priority vehicle;

m) Rain, wind, fog, smoke, dust, slippery and muddy road surfaces, and lots of rocks and scattered materials affect road traffic safety;

n) Area where road traffic control is being organized.