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Object Markers on Narrow Bridges on Low volume Rural Roadways
| 题名： | Object Markers on Narrow Bridges on Low volume Rural Roadways |
| 作者： | Margaret J. Rys, Rajasekhar R. Pudi, and Robert W. Stokes |
| 关键词： | Agricultural Equipment, Bridges. Low volume roads. Traffic signs |
| 摘要： | Until relatively recently, bridge width, on low volume roads was not a major concern and would often be reduced for economic reasons. Bridges and culverts that are narrower than the approach roadway case considerable problems for a driver because they violate his/her expectations. In such cases, the Manual on Uniform Traffic Control Devices (MUTCD) states that Type 3 object markers shall be used on each approach. There Is a need for signing and marking practices that allow rural, low volume bridge and culverts to be marked in accordance with the MUTCD and still allow form equipment to pass over the bridge without destroying or damaging the object markers. Kansas State University conducted a study to identify and evaluate potential alternatives for marking narrow bridges. Based on the results of the literature review, surveys of current practices and field observations, several alternative signing strategies for low volume bridges were formulated. These alternatives include; 1) do not use object markers on low volume roadways. 2) reduce the height of object markers on low volume roadways. 3) stagger the object markers on low volume roadways, 4) use flexible sign supports, 5) use removable object markers, and 6) redesign the object markers and/or support. |
| 报告类型： | 科技报告 |
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