Table 1

Noise-Abatement Approaches

Abatement ProceduresReduction in Noise, dBCost-Effectiveness Score (1–5)
Noise barriers3–202
Brake blocks for trains8–104
Building insulation5–101
Building design2–153
Changing driving styles5–73
Quiet road surfaces3–75
Low-noise tires3–43
Land-use planning and designUnknown4
Electric cars11
Traffic management33

dB = decibel.

  • Evaluated by the European Commission in “10 ways to combat noise pollution” (70). Lowest score = 1; highest score = 5.