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From: Effectiveness and acceptability of milled rumble strips on rural two-lane roads in Sweden
Road type | Crash type | Standard model values | Observed crash/injury rate | ||
---|---|---|---|---|---|
Injury crashes | Fatalities and seriously injured (FSI) | Injury crashes | Fatalities and seriously injured (FSI) | ||
Rural roads, 90 km/h | All | 0.1220 | 0.0506 | 0.090 | 0.0359 |
Narrow roads, < 8 m | Single vehicle | 0.0820 | 0.0285 | 0.052 | 0.0182 |
Rural roads, 90 km/h | All | 0.0929 | 0.0376 | 0.093 | 0.0314 |
Normal width roads, 8–10 m | Single vehicle | 0.0542 | 0.0166 | 0.057 | 0.0164 |