What does the blue section on Amap mean?

[VanEdward]

Amap's blue sections represent road segments where traffic data has not been collected, and congestion status is unknown; green sections indicate smooth traffic flow; yellow sections denote slow-moving traffic with some congestion, suggesting consideration of alternative routes; additionally, red sections represent heavy congestion, while dark brown sections indicate severe congestion. Key features of Amap: 1. Dynamic Navigation: Real-time traffic updates, intelligent calculation of estimated arrival time, congestion avoidance route planning, and speed camera alerts; 2. Offline Download: 2D and 3D offline maps, including regional, national, and overview maps; 3. Popular Location Search: Route searches, public transport and driving route planning, as well as public transport, train, and weather query services.