| Title | The applications and assessment of the energy-saving Road facilities safety standards |
| Dept | Transportation Safety Division |
| Year | 2012 |
| Month | |
| Price | |
| Summary | This project is mainly focused on the comparison between the novel-type traffic facilities and the existing ones in terms of energy-efficient, technological and social- beneficial perspectives. Meanwhile, the relevant standards/regulations from Taiwan and some global nations are studied and compared. Finally, future technological trend and human factors engineering analysis are taken into account to examine whether some appropriate amendments are necessary for the current standards/regulations in Taiwan. With the aim to assure road user safety and energy-efficient purposes, it will facilitate the novel-type traffic facilities to be introduced and promoted. Economic effectiveness analysis for novel-type traffic facility replacement is undertaken by adopting Net Present Value (NPV) and Payback Period approaches. The results are listed below：Firstly, with 8-meter pole height, LED streetlight replacement over mercury street lamp is feasible in the short term. Secondly, with 8-meter pole height, LED streetlight replacement over HPS, or with 12-meter pole height, LED streetlight replacement over mercury street lamp, or LED roadway signs replacement on the highway, or LED light source replacement for tunnel is feasible in the mid-term. Based on the results of this study, some recommendations are proposed for the current “Manual for Traffic Engineering Regulations of Taiwan”, including: (1) bring in luminance criteria; (2) build up Dynamic Measurement Method; (3) establish standards/regulations for “LED roadway signs”; (4) add in the concept of Unit Power Density (UPD) and light distribution classification for full cutoff luminaries; (5) set up lighting criteria for pedestrian crossing. Finally, the area of human factors engineering is suggested for further study in order to set up appropriate traffic safety assessment criteria from the roadway geometry and racial difference perspectives. |
| Post date | 2012/04/25 |
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