CHAPTER 7 CONCLUSIONS AND RECOMMENDATIONS
7.2 R ECOMMENDATIONS
Although this study has taken a step forward in developing more advanced CA models, some avenues for future studies are identified as follows.
1. In the future study, simulations on three- or more-lane freeway with more vehicle types can be performed. Besides, the traffic features under various mixed ratios deserve to explore. The effects of diverse lengths of stationary bottlenecks at construction work zones and the effects of slow vehicles management tactics can be examined using our proposed CA models. Moreover, in surface street environments, bicycles and motorcycles can be added to the mixed traffic simulations. The formation of traffic patterns due to pedestrian or vehicle crossing, bus stop or curb parking, and signal control are also interesting and challenging for further explorations.
2. To define the optimum traffic control scheme at the highway work zone, it is recommended that more sophisticated human factors be introduced into the future CA simulations, including the in-homogeneity among drivers and among vehicles. In addition, real-time intelligent traffic controls, based on local traffic conditions at the work zones, can also be introduced into the CA simulation. Trade-off between traffic safety (speed deviations) and traffic efficiency (capacity) at the highway work zones is a challenging topic worthy for further exploration.
3. In this study, each car away from the lane markings needs to take 2 time-steps to make a lane-change. This is perhaps an over-conservative restriction. Besides, each vehicle only evaluating the surrounding traffic conditions for the next one or two time-steps is perhaps also beyond reality. One future avenue is the introduction of anticipation of surrounding conditions with more extended time-steps. The effect of various maximum speeds for slow vehicles can be considered in the further study.
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APPENDIX Publications related to dissertation research
A. Refereed Papers
1. Lan, L.W., Chiou, Y.C., Lin, Z.S. and Hsu, C.C. (2010) Cellular automaton simulations for mixed traffic with erratic motorcycles behaviors. Physica A, Vol.
389, pp. 2077-2089. (SCI, 2009 Impact Factor: 1.562)
2. 邱裕鈞、藍武王、鐘仁傑、許志誠、林日新 (2010) 兩階段模糊邏輯控制之
匝道儀控細胞自動機模擬 運輸學刊 第二十二卷第二期，pp. 159-184.
(TSSCI).
3. Lan, L.W., Chiou, Y.C., Lin, Z.S. and Hsu, C.C. (2009) A refined cellular automaton model to rectify impractical vehicular movement behavior. Physica A, Vol. 388, pp. 3917-3930.(SCI, 2009 Impact Factor: 1.562)
4. Hsu, C.C., Lin, Z.S., Chiou, Y.C. and Lan, L.W. (2007) Exploring traffic features with stationary and moving bottlenecks using refined cellular automata. Journal of the Eastern Asia Society for Transportation Studies, Vol. 7, pp. 2246-2260.
(Yasoshima Prize: Best paper award out of 507 accepted papers)
B. Conference Papers
1. Lan, L.W., Chiou, Y.C., Lin, Z.S., and Hsu, C.C., (2008). A new cellular automaton model in traffic simulation at a highway work zone. Proceedings, 10th International Conference on Applications of Advanced Technologies in Transportation, Athens.
2. Lan, L.W., Chiou, Y.C., Hsu, C.C., and Lin, Z.S., (2007). Spatiotemporal mixed traffic patterns with revised cellular automaton simulation. Proceedings, 12th International Conference of Hong Kong Society for Transportation Studies, pp.
133-142.
3. Lan, L. W., and Hsu, C.C., (2006). Formation of Spatiotemporal Traffic Patterns with Cellular Automaton Simulation. Transportation Research Board, 85th Annual Meeting, CD-ROM, Washington, DC, January 22-26.
4. Lan, L. W. and Hsu, C.C., (2005). Using Cellular Automata to Explore Spatiotemporal Traffic Patterns. Proceedings of the 10th International Conference of Hong Kong Society for Transportation Studies, PP. 210-219, Hong Kong, December 10.
C. Research Reports
1. 藍武王、邱裕鈞、許志誠、林日新 (2009)，異質混合車流細胞自動機模式之 研究 (III)：市區道路環境測試與驗證，國科會研究報告，計畫編號：NSC 95-2211-E-451-015-MY3。
2. 藍武王、邱裕鈞、許志誠、林日新 (2008)，異質混合車流細胞自動機模式之 研究 (II)：高速公路環境測試與驗證，國科會研究報告，計畫編號：NSC 95-2211-E-451-015-MY3。
3. 藍武王、邱裕鈞、許志誠、林日新 (2007)，異質混合車流細胞自動機模式之 研究(I)：細胞自動機基本規則與車輛時空特性之關係，國科會研究報告，計 畫編號：NSC 95-2211-E-451-015-MY3。
VITA
CHIH-CHENG HSU
教育
高雄市立高雄高級中學 (1990)
中央警察大學交通學系 學士 (1995)
中央警察大學交通管理研究所 碩士 (2000)
國立交通大學交通運輸研究所 博士 (2010)
獲奬 東亞運輸協會(EASTS)年會 最佳論文奬(Yasoshima Prize)(2007) 經歷 臺北縣政府警察局新莊分局 巡官 (1995)
臺北縣政府警察局交通隊 分隊長 (2000)
臺北縣政府警察局交通隊 警務員 (2005)
臺北縣政府交通局 專員 (2008)
臺北縣政府交通局 科長 (2009)