What is the speed limit standard for urban roads?

[LaJayce]

Highway speed limits are generally 110-120km/h; primary roads, such as national highways and provincial roads, have a speed limit of 80km/h; suburban roads in urban areas have a speed limit of 70-80km/h; urban roads have a speed limit of 40-60km/h. Signage speed limit regulations: This refers to the speed indicated by speed limit signs and markings on the road. The specific speed limit is determined by the transportation department based on the road's design speed, functional type, geometric alignment characteristics, traffic flow, roadside environment, and other comprehensive factors. Road speed limit regulations: Regardless of the type of road, in sections with speed limit signs, drivers must adhere to the posted speed limits. In sections without speed limit signs, drivers must comply with the speed limits stipulated by laws and regulations.