traffic bottleneck

基本解释

With the development of middle and small cities, roundabout is the traffic bottleneck and accident-prone location.
随着中国中小城市的发展，环形交叉口成为城市交通的瓶颈和事故多发点。
Aim The main aim is to make a breakthrough development of tourism in southern Shaanxi after traffic bottleneck disappears.
目的探讨陕南旅游在交通瓶颈解除后如何实现率先突破发展。
This includes an instance of a traffic bottleneck as a result of too many visitors sending too many requests during a particular range of time to a Web service application based on business processes.
文中包含了一个流量瓶颈的实例，导致该瓶颈的原因是：在特定期间有太多的访问者基于业务流程发送了太多的请求到一个 Web 服务应用程序。

"The risk of orchestrated systems--and the reason that we're all trying to move toward more choreography--is that you can get a bottleneck if the traffic cop can only handle so much traffic at one time, " says Page.
FORBES: Magazine Article
Most Internet traffic comes from outside India, and thus hits the bottleneck of India's publicly owned telecoms companies, which have a monopoly of long-distance telephony and international data exchange.
ECONOMIST: The wiring of India