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Pedestrian Safety at Midblock Locations.
| 题名： | Pedestrian Safety at Midblock Locations. |
| 作者： | chu, x. |
| 关键词： | lighting, light conditions, risk assessment, guidelines, safety |
| 摘要： | Pedestrian safety in Florida is significantly related to light conditions. Between 1986 and 2003, about 37 percent of all pedestrian crashes occurred while the pedestrians were attempting to cross roadways under dark conditions. While light conditions as an accident factor are not linked to as large a share of pedestrian crashes as midblock locations, the differential risk across light conditions is significantly higher than the differential risk across crossing locations. The probability of a pedestrian being fatally struck by a vehicle is, on average, over 6 times greater under dark conditions than under daylight conditions. Another factor tied to pedestrian safety relates to uncontrolled midblock locations. Those with established pedestrian generators and attractors and adequate crossing demand along state roads rarely meet the current pedestrian signal warrant. Many of these locations are along multilane roads with high traffic volumes and speeds. Engineers are reluctant to mark uncontrolled midblock crosswalks without a good set of guidelines, and the existing guidelines need to be improved to be useful to the practitioner. Currently, they are unstructured, difficult to implement, and inconsistent. Moreover, under many conditions, the guidelines often discourage or even exclude uncontrolled midblock crosswalks from consideration. Conditions that occasion exclusion often include locations along multilane roads with high traffic volumes and speeds, i.e., those most in need of improvements for pedestrian crossings. This project had two primary objectives. The first was to assess the interactive roles of crossing locations and light conditions in pedestrian injury severity using multivariate regression analysis to control for many other factors (other than location or light conditions) that also may influence pedestrian injury severity. The second was to develop guidelines for uncontrolled midblock crosswalks on Florida's State Highway System, including multilane roads with high traffic volumes and speeds. |
| 总页数： | u0707；66p |
| 报告类型： | 科技报告 |
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