| First-Level Indicators | Second-Level Indicators | Indicators Description |
| Environment safety | Plant species safety | Poisonous, thorny, fluffy and irritating plants |
| Sound environment safety | Noise level of children’s school road | |
| Pollution source, toxic area | Basic survival requirements (if any) | |
| Facility safety | Facility sketch modeling safety | The facilities are strong, and there are no safety hazards such as sharp corners and pinching (whether there are) |
| Facility protection and management | The maintenance and management of facilities have a direct safety impact on children’s activities (manhole covers, utility poles, etc.) | |
| Pedestrian traffic safety | Road speed limit | The overall speed limit of children’s travel paths should not be greater than 30 km/h, and the speed limit should be less than 15 km/h in sections with intensive children’s activities (whether there is) |
| Sidewalk width | Average width of sidewalks on both sides of the street (m) | |
| Walking obstacles | Bicycles, battery cars, and vendors occupy sidewalks (places) | |
| Pavement quality | Pavement damage, smoothness, number of rough, fall-prone places/street length | |
| Walking continuity | The smoothness of the sidewalk, the effective length/actual length of the sidewalk | |
| Intersection density | Intersection density = (total number of intersections/street length) * 100% | |
| Traffic guidance sign | The completeness and conspicuousness of the guide signs, etc., whether the children’s signs conform to the physical characteristics of the children | |
| Social guardianship | Monitoring settings | Monitoring facility density = (monitoring equipment/street length) * 100% |
| Avoid crime and threats | dark corners, blindness | |
| Security agency | Density and number of police stations, security booths and other institutions | |
| Peripheral business | Density and number of commercial POIs along the street, from informal surveillance from the street (street eye) |