Abstract：Research purposes:Speed limit zone transition section is to avoid that the speed difference of the speed limit zone adjacent is too large to generate traffic safety problems. Due to the same fixed rate limit may not be able to adapt to road conditions or traffic conditions certain sectors，so often raise or lower the speed limit value some sections，and use the sub-road speed limit scheme. The transition section length of speed limit zone becomes important parameter of speed limit study. This paper attempts by the analysis of the length of road speed limit zones transition section at home and abroad to propose a reasonable length of speed limit zone transition section in China.
Research conclusions:By comparing these three sets of theories (Zhao Liping's theory of Chang'an University, He Yulong and Sun Xiaoduan's theory of Beijing University of Technology and interchange accelerating and decelerating sections length theory in road specification)，the following conclusion is found:(1)Chang'an University and Beijing University of Technology only gives the calculated value for decelerating section of speed limit zone，not calculated for accelerating section，there should be also the accelerating transition section between the speed limit zones.(2)The length of the transition section speed limit zone is recommended to use the value derived by interchange accelerating and decelerating sections length in road specification.(3)In highway and urban road，in the accelerating transition section of downhill section and the decelerating transition section of uphill section，when the longitudinal slope is greater than 2%，its length should be amended. (4)The research results can be used for highway and urban road speed management.
张清峰. 道路限速区过渡段长度取值分析[J]. 铁道工程学报, 2015, 32(6): 11-14,24.
Analysis of Length Value in the Transition Section of Road Speed Limit Zone. Analysis of Length Value in the Transition Section of Road Speed Limit Zone. Journal of Railway Engineering Society, 2015, 32(6): 11-14,24.
He Yulong, Sun Xiaoduan. Highway Speed Limits and Speed Control Technology[M].Beijing:China Communications Press,2011.
Zhao Liping. Methods and Measures of Reasonable Road Speed of Urbanization[D].Xi' an:Chang' an University, 2010.
JTG D82-2009，Specification for Layout of Highway Traffic Signs and Markings[S].
Jiang Haifeng, Han Wenyuan, Zhang Zhiyong. Study of Relationship between Word Height and Recognition for Traffic Guide Signs[J].Journal of Highway and Transportation Research and Development, 2009(7): 115一120.
CJJ 152-2010，Speification for Design of Intersection on Urban Roads[S].
[7]
李长进.我国高速铁路速度日标值问题的研究[J].铁道工程学报，2003(3):1一4.
Li Changjin. Research on Objextive Value of Chinese High一speed Railway[J].Journal of Railway Engineering Society , 2003 ( 3 ) :1一4.
[3]
JTG D82-2009，公路交通标志和标线设置规范[S].
[6]
JTG D20-2006，公路路线设计规范[S].
JTG D20-2006，Design Speification for Highway Alighment[ S ]·
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