Traffic calming can be divided into motor vehicle speed limit, restrict vehicle traffic and parking restrictions roadside method deceleration zone three categories, including motor vehicle speed limit is divided into vertical, horizontal and lane reduction type control measures. Speed ??humps are one of the measures the vertical speed control by changing the way certain height or material, according to the heart, the physiological principle of compulsory motor vehicle deceleration deceleration zone prices in order to achieve security. Often manufacturers deceleration zone, the driver said they were not slow down with the greater supply of the smaller vehicle safety, that sense of security is smaller. Therefore, set the speed humps will reduce driver driving security and comfort expectations, prompting the driver to select a lower desired speed. Under the guidance of the desired speed, the driver will take the initiative to drive the vehicle at low speeds approaching and driving through the deceleration zone. Road deceleration zone _ power safety equipment (certified) _ Luohe deceleration zone provided by Xinxiang County Economic Development Zone power safety equipment operators. Xinxiang County Economic Development Zone power safety equipment operators (www.xxlmdgs.com) is an industry leader in Shenzhen, Guangdong, crash facility, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Safety equipment in the power of leadership with the staff warmly welcome all inquiries negotiations to create the power of safety equipment a better future.