Advantages and disadvantages of keeping road clear of ice

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  • Describe the advantages and disadvantages of keeping the road clear of ice
    • Energy storage
      • Advantages
        • no fuel costs
        • no environmental costs
      • Disadvantages
        • expensive to set up
        • need to dig deep under road
        • dependent on (summer) weather
        • digging up earth and disrupting habitats
    • Salt spreading
      • Advantages
        • easily available
        • cheap
      • Disadvantages
        • can damage trees/plants/ drinking water/cars
        • needs to be cleaned away
    • Undersoil heating
      • Advantages
        • not dependent on weather
        • can be switched on/off
      • Disadvantages
        • costly
        • bad for environment

Comments

Leena.

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very helpful indeed. 

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