📌 Introduction
Road color coding is used in civil engineering and transportation systems to identify different types of roads and infrastructure easily. Each color represents a specific category of road or facility.
🎨 Road Color Codes Explained. 🎥 Click here to watch the best study videos.
🟡 Yellow – National Highways
Represents major highways connecting cities and states
Controlled by central government
🟢 Green – State Highways
Connect important cities within a state
Managed by state government
⚫ Black – City Roads
Urban roads within cities
Used for local transportation
🟠 Orange – Village Roads
Roads in rural areas
Connect villages and small towns
🔵 Blue – Airports
Indicates airport locations
Used for air transportation
🟤 Brown – Ports
Represents sea ports and harbors
Used for water transport
⚪ Grey – Bridges / Flyovers
Indicates bridges, flyovers, and elevated roads
🔴 Red – Important / Special Roads ❓
Often used for important or restricted routes
Can also indicate danger zones or special markings (depends on standards)
⚙️ Important Notes
Color coding may slightly vary by country
Used in maps, planning drawings, and site layouts
Helps in quick identification of infrastructure
🧠 Uses
Road planning and design
Transportation mapping
Civil engineering drawings
Urban and rural development
📚 Conclusion
Road color coding is a simple but effective way to identify different types of roads and infrastructure. It helps engineers, planners, and users understand transportation systems easily.
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