(1) highway traffic sign boards shall be made in accordance with the "road traffic signs reflecting film" (GB/T 18833) reflective film requirements or other retroreflective material.
(2) traffic sign board with reflecting film traffic barricade light material, highway, a highway should adopt one or two grade reflective film, traffic signs two or three highway should use three or four grade reflective film, four grade highway should use four or five grade reflective film.
(3) the door frame, cantilever type hanging type traffic sign, should adopt the US side traffic signs reflecting film of high rank.
(4) in which allow uniformity and conditions, can be used in lighting or light emitting diodes increase the visual effect of the important sign.
The sign board
Traffic sign board can be made of aluminum alloy sheet, extruded aluminum alloy, steel sheet, synthetic resins such as sheet metal manufacturing, materials used shall be in accordance with the "road traffic sign board" (TI' /T 279) shall, according to the calculation to determine the thickness should be.
The support structure
(1) the traffic sign posts, beams produced by the steel, H steel, steel and reinforced concrete and other materials, steel pipe shall be equipped at the column cap. Steel components Solar Warning Light should be treated.
(2) the traffic signs should be set in reinforced concrete foundation, single column type traffic sign in the bridge section of the steel structure attached to the bridge.
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