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Evaluation of Innovative Safety Treatments. Volume 4: A Study of the Effectiveness of Motorist Awareness System in Construction Work Zones. Final rept.
| 题名： | Evaluation of Innovative Safety Treatments. Volume 4: A Study of the Effectiveness of Motorist Awareness System in Construction Work Zones. Final rept. |
| 作者： | Reddy-V.; Datta-T.; Savolainen-P.; Pinapaka-S. |
| 关键词： | *Florida-Department-of-Transportation; *Innovative-safety-treatment; *Evaluation-.;Work-zones; Construction-work; Traffic-control; Warning-devices. |
| 摘要： | In an effort to make work zones safer, the Florida Department of Transportation (FDOT) has developed a new Maintenance of Traffic (MOT) system for work zone traffic control, referred to as Motorist Awareness System (MAS). In addition to traffic control and warning devices used with standard MOT plans, the MAS uses portable changeable message signs, radar speed display units, and regulatory speed limit signs (with flashers) to alert motorists of work zone activities such as lane closures and reduced speed limits. In addition, active enforcement is a critical element of the MAS. Thus, the MAS is intended to reduce travel speeds through work zones. The MAS was implemented as part of construction projects on two segments of Florida interstate highways I-10 and I-95. In order to compare the effectiveness of the Motorist Awareness System, a Comparative Parallel evaluation methodology was utilized. This research analyzed speed data as a proxy variable since higher speeds (and variances) are closely associated with crash risk. Measures of effectiveness for this project include differences in average speeds, percent of speeding motorists, and changes in the variability of the speed distribution. Speed studies were conducted at three different locations within each work zone to assess changes in the speed profiles through the work zone. |
| 报告类型： | 科技报告 |
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