Under what circumstances is the speed limit 20 kilometers per hour?

[LunaMarie]

Speed limit of 20 km/h indicates that this section of the road is not an ordinary road section, or it may be a route frequently used by children from kindergartens or other schools, or an accident-prone road section. The following is relevant information about speed limits: 1. Introduction: Speed limit usually refers to the regulation of vehicle speed within a certain numerical range over a certain length of distance. In order to maintain normal, stable, safe, and reliable production order and activity processes, necessary speed restrictions are imposed on various mechanical and electrical equipment and their manual operations, so as to prevent various equipment from malfunctioning or causing accidents due to overload operation or other reasons. 2. Purpose: The main purpose is to remind drivers in advance to reasonably control the speed in the subsequent sections of the road ahead and prevent the danger of speeding. Speed limit is an indispensable and also the most important part of road transport safety.