1. The cost of cement concrete pavements is influenced by various factors, including regional market prices, project scale, and construction difficulty.2. A 20-centimeter thick concrete pavement requires more materials and labor, which affects the cost.3. Typically, the cost of a 20-centimeter thick concrete pavement is approximately 300-600 yuan per square meter.4. The cost includes the cost of raw materials, labor, project management, and supervision fees.5. In special cases, such as in remote areas or unexpected construction challenges, costs may increase.6. Costs can be reduced by using cheaper raw materials, simplifying construction processes, and effective project planning and management.7. Overall, the cost of a 20-centimeter thick concrete pavement is complex and requires a comprehensive consideration of various factors.8. In actual projects, a reasonable cost plan should be developed based on market prices, project scale, and specific circumstances.