| Demographics | Guangzhou(intervention) | Nanning(reference) |
| Population | 11 787 100 | 6 697 000 |
| Annual income per capita (¥) | 15 003 | 10 078 |
| Length of highways (km) | 5438 | 6127 |
| Vehicle fleet | 1 722 105 | 875 822 |
| Motorcycles | 59.7% | 75.2% |
| Cars | 38.7% | 12.4% |
| Taxis | 0.9% | 0.4% |