Technical Regulations on Navigation Clearance Marks for Aerial River-Crossing Structures

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Hello Editorial Board,I am currently working in the field of inland waterways, and I am aware that there are new regulations adjusting the inland waterway signaling. Could you please inform me about the technical regulations that must be ensured for signaling to mark the vessel clearance of an overhead river-crossing structure?

Based on Subsection 2.2.5 Section II of the National Technical Regulation QCVN 39:2020/BGTVT issued together with Circular 08/2020/TT-BGTVT (effective from November 1, 2020):

Signage for marking the navigation channel clearance of an overhead river-crossing construction (B5)

For combined motorized and non-motorized vehicles (B5.1)

Shape: A square sign placed at the centerline of the navigation channel clearance Color: Yellow Light signal: Two lights, one continuously lit and one fast flashing, both yellow, placed at the axis of the sign Meaning: Marks the position of the navigation channel clearance for combined motorized and non-motorized vehicular passage ****	Q.F (Y) Figure 25: Signage marking the navigation channel clearance of an overhead river-crossing construction for combined motorized and non-motorized vehicles (B5.1)

For motorized vehicles only (B5.2)

Shape: A diamond-shaped sign placed at the centerline of the navigation channel clearance Color: Yellow Light signal: One continuously lit light, yellow, placed at the axis of the sign Meaning: Marks the position of the navigation channel clearance for motorized vehicular passage ****	Continuously lit F. (Y) Figure 26: Signage marking the navigation channel clearance of an overhead river-crossing construction for motorized vehicular passage (B5.2)

For non-motorized vehicles only (B5.3)

Shape: A circular sign placed at the centerline of the navigation channel clearance Color: Yellow Light signal: One fast flashing yellow light Meaning: Marks the position of the navigation channel clearance for non-motorized vehicular passage	Fast flashing Q. (Y) Figure 27: Signage marking the navigation channel clearance of an overhead river-crossing construction for non-motorized vehicular passage (B5.3)

We hereby provide you with this information!

Sincerely!

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