Xinhuanet, Qinghai, Xining February 19-some time ago, guardrails are installed main street in Xining, Xining city, not only beautify the also reduced a lot across the road. In fact, as early as before 2003, these places have installed a guardrail. What, then, is the installation of guardrail on traffic management and effective, or not to install the Rails better, what people think of it? Gave the Rails disappearing background: before 2003, is equipped with Guardrails on both sides of the main street in Xining, such as North Main Street, somewhere. Install the guardrail in order not to allow pedestrians to cross the road, travel safety to the people. However, for various reasons, after 2003, all the streets on both sides of the fence have been removed. Since then, Xining city streets don't have installed any protective measures, some people often cross the road, life safety hazards to yourself and others.