Slope
A slope or grade of a road refers to the tangent of the angle of the road to the horizontal. It is a special case of the slope, where zero indic…
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Slippery road
Road slipperiness is a condition of low skid resistance due to insufficient road friction. It is a result of snow, ice, water, loose material an…
Siren
A siren is a sound signal that priority vehicles use to warn other road users that they have to pass.
School-area
A school environment is a place near a school. Pay extra attention to children playing.
Rush-hour lane
A rush-hour lane is an extra lane on a lane of a motorway. The rush-hour lane is often at the expense of the emergency lane. The rush-hour lane …
Yeah traffic is so cooked going south rn 😭