Table 8 Comparison of speed limit range.

From: Theoretical research and system design of ship navigation guidance for local temporary prohibited navigation area

Type

Original speed limit range

Speed limit after unified unit

Ship traffic flow (The Tianjin Port)

4–12 kn

2.06–6.17 m/s

Vehicle traffic flow (The Fourth Ring Road in Beijing)

 ≤ 80 km/h

 ≤ 22.22 m/s

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