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From: Benefit measures for noise abatement: calculations for road and rail traffic noise
 | Constantsb | Change | Sensitivity analysis | |||||
---|---|---|---|---|---|---|---|---|
| k | b | High | Low | r = % | r = % | r = % | |
Road | 1,938,866 | 0.031 | 0.560 | 56 | 55 | 202 | 363 | 525 |
66 | 65 | 275 | 495 | 715 | ||||
75 | 74 | 364 | 654 | 945 | ||||
Railway | 2,097,665 | 0.254 | 0.506 | 56 | 55 | 13 | 24 | 35 |
66 | 65 | 171 | 308 | 444 | ||||
75 | 74 | 1,681 | 3,027 | 4,372 |