Advantages of a speed limiter
Speed limiters have several potential safety benefits. They reduce the top speed of vehicles to a pre-set limit. Although this may reduce overall crash risk it is more likely to lessen the severity of a crash. Speed limiters also reduce speed variability, thereby reducing lane change and deceleration maneuvers. Speed limiters have also shown to reduce approach speeds at intersections, curves and roundabouts.
However, there are also potential benefits beyond safety. Higher speeds are less fuel -efficient. Speed limiters have been shown to be fuel-efficient and could lead to substantial fuel savings. Less fuel consumption means a reduction in greenhouse gas emissions and longer tyre life. Speed limiters can produce 10% to 15% overall cost reduction when limiting speeds to about 60 mph, with most of the savings coming from fuel, tyres and maintenance.
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