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首页> 外文会议>Institute of transportation engineers technical conference and exhibit 2009 : Transportation operation in action >DUAL ROUNDABOUTS CONNECT FREEWAYS
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DUAL ROUNDABOUTS CONNECT FREEWAYS

机译：双回合连接高速公路

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US 54 is the principal east-west route running through the heart of Wichita, Kansas. On the east side of town, US 54 is a 4-lane, urban, divided highway which intersects a multitude of north-south arterials connecting large industrial facilities generating heavy traffic volumes. These intersections are at-grade, causing disturbances in the already turbulent flow on the highway. Traffic projections indicate that the demand on this route will continue to grow even though US 54 is already nearing failure. The City has determined that the route should be upgraded to operate as a 6-lane freeway system with parallel frontage roads, much as it does through the rest of the city. One primary challenge associated with this transition is modifying the current interchange of US 54 at 1-35, the Kansas Turnpike. A new interchange needs to provide access between the Turnpike, the US 54 mainline and the new frontage roads. However, the close proximity of the Turnpike access point to the Webb Road interchange creates a complex, high traffic volume condition that is not easily resolved with traditional methods.rnThis report focuses on several of the concepts evaluated including a roundabout interchange to serve the Turnpike access. Other alternatives included signalized control and a scenario without direct access to the Turnpike for some movements. Comparative evaluation of these concepts was difficult due to the significant differences in traffic control and travel patterns. The benefits and limitations of using VISSIM are also presented herein.
机译：US 54是贯穿堪萨斯州威奇托市中心的主要东西向航线。 US 54位于城镇的东侧，是一条4车道，城市划分的高速公路，与大量连接大型工业设施的南北动脉相交，交通量很大。这些交叉路口在地面上，对高速公路上本已湍流的道路造成干扰。交通预测表明，即使美国54号已经接近失灵，该路线的需求仍将继续增长。纽约市已确定，该路线应升级为具有平行临街道路的6车道高速公路系统，这与该市其他地区一样。与这一过渡相关的一个主要挑战是修改美国54号公路在1-35的当前交汇处，堪萨斯收费公路。一个新的立交点需要提供收费公路，美国54号干线和新的临街道路之间的通道。但是，Turnpike接入点与Webb Road交汇处非常靠近，这造成了复杂的高交通量状况，而这是传统方法无法轻松解决的。rn本报告着重于所评估的几个概念，包括为Turnpike出入服务的环形交叉路口。其他替代方案包括信号控制和无法直接进入收费公路进行某些动作的场景。由于交通管制和出行方式的巨大差异，很难对这些概念进行比较评估。本文还介绍了使用VISSIM的好处和局限性。

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