[Retracted] Application Method of Environmental Protection Building Elements Based on Artificial Intelligence Technology in the Field of Urban Planning and Design
Table 1
Classification standards of urban roads recommended by the International Association of Traffic Engineers.
Classification
Highways and expressways
Trunk road
Secondary trunk road
Collecting and distributing road
Community road
Function
Motor vehicle traffic flow
High volume traffic flow, long-distance traffic flow between clusters and inbound and outbound traffic flow in the urban area
Urban traffic flow, medium distance traffic flow between clusters and inbound and outbound traffic
Trunk road system and community road distribution, access traffic and inter community traffic
Traffic flow in and out of the community and within the plot
Road mileage rate (%)
5~10
10~20
5 ~ 10
60~80
Continuity
Continuity
Continuity
Continuity
It does not need to be continuous and should not cross the trunk line