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AddCatalonia officials lowering speed limits drastically to reduce pollution

The transit authorities in Catalonia, Spain have decided to take the drastic speed limit on the accesses to the city of Barcelona to the next level. Similar to plans in other cities, like Rotterdam in the Netherlands, highways in Barcelona will now have variable speed limits. A smart system with light panel indicators will regulate speed on the C31 and C32 highways: the higher the pollution levels, the lower the speed limit will be. The system also applies a dynamic approach depending on congest

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