
ROAD TRAFFIC SIGNS AND INTERNALLY ILLUMINATED BOLLARDS - SPECIFICATION FOR RETROREFLECTIVE AND NON-RETROREFLECTIVE SIGNS
出版:British Standards Institution

专家解读视频
Describes construction, preparation and finish of sign plates, frames and fittings. Specifies the photometric, colorimetric and performance requirements of retroreflective and non-retroreflective sign face materials for use in the manufacture of permanent and temporary road traffic signs. Components and materials used in construction given. Specifies requirements for resistance to twisting of the mounting arrangements between the sign and its support, it does not specify the requirements for such supports when these take the form of posts.