They may be popular with residents wanting to prevent speeding on their streets, but research has shown that speed humps can be harmful to the environment.
The traffic calming measure, widely used in residential areas can increase fuel consumption by 47 percent on 50km/h roads, a study has found.
The study, carried out by an independent engineer and car tester in the UK, found out that the average car achieves 58.15mpg at a steady speed of 50km/h. But when going over humps, it will reach only 30.85mpg. The results were calculated by averaging the results of two cars.
It also found that cutting the speed limit from 40km/h to 25 km/h pumps up CO2 emissions by 10 percent.
The traffic calming measure, widely used in residential areas can increase fuel consumption by 47 percent on 50km/h roads, a study has found.
The study, carried out by an independent engineer and car tester in the UK, found out that the average car achieves 58.15mpg at a steady speed of 50km/h. But when going over humps, it will reach only 30.85mpg. The results were calculated by averaging the results of two cars.
It also found that cutting the speed limit from 40km/h to 25 km/h pumps up CO2 emissions by 10 percent.
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