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Virkning av Utvidet Midtoppmerking pa Kjorefart og Sideplassering Sammenligning Meoolom to typer Midfelt pa e6 i Oppland og Ostfold (Effect of a Painted Median on Lateral Position and Speed. A Comparison between Two Treatmeants on E6 in Norway).
| 题名： | Virkning av Utvidet Midtoppmerking pa Kjorefart og Sideplassering Sammenligning Meoolom to typer Midfelt pa e6 i Oppland og Ostfold (Effect of a Painted Median on Lateral Position and Speed. A Comparison between Two Treatmeants on E6 in Norway). |
| 作者： | Sagberg-F. |
| 关键词： | *Traffic-safety; *Driver-behavior; *Speed-; *Norway-.;Two-lane-roads; Rural-areas; Traffic-flow; Countermeasures-; Lateral-position; Modifications-; Accident-reduction; Road-conditions; Cost-effectiveness. |
| 摘要： | This study investigated the effects on driver behavior of 1 m wide painted medians on driver behavior on 10 m wide two-lane rural roads. Two types of painted medians were studied. The first consists of transverse 1m-long green lines with 1.5 m distance between them. The second consists of two longitudinal lines 1 m apart. Valid speed data were available only for the latter treatment, where a speed decrease of 2.7 km/h was found. Both types of painted medians resulted in increased separation between opposing traffic streams. The increase varied from 60 to 72 cm, compared to a conventional centerline. It is concluded that on low-volume roads visual road modifications may represent a cost-effective alternative to physical median barriers. |
| 报告类型： | 科技报告 |
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