Why would this temporary speed limit sign be shown?

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In the interests of road safety, temporary speed limits are imposed at all major road works. This is to ensure that drivers are aware of their surroundings and maintain a safe speed in order to avoid any potential hazards or accidents. Signs giving advanced warning of the speed limit are normally placed about three quarters of a mile ahead of where the speed limit comes into force. These signs serve as an important reminder for motorists that they need to slow down in advance so that they can safely navigate through any construction sites or other areas which may be hazardous due to reduced visibility or other factors.


The use of these signs is not only beneficial from a safety standpoint, but also from an environmental perspective as well; by reducing speeds in certain areas, it helps reduce air pollution and noise levels, which can have negative impacts on both people’s health and local wildlife populations alike. Additionally, slower driving speeds help conserve fuel consumption over time; meaning less money spent on petrol overall.


Overall, temporary speed limits imposed at major road works should always be taken seriously; not only because it keeps everyone safer but also because following such rules will ultimately benefit us all financially too. Drivers should take note when approaching one-quarter mile markers before entering into restricted zones so they have ample opportunity to prepare themselves accordingly before slowing down - thus ensuring everyone's wellbeing remains intact during their travels!