Traffic Signs Manual Chapter 4 Warning Signs

). These are environmentally intrusive  and should only be used sparingly, not as a matter of course. 1.8.4

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1.12 ). These are environmentally intrusive  and should only be used sparingly, not as a matter of course. 1.8.4.  Many warning signs are accompanied by supplementary plates.  Appendix B   recommends appropriate x‑heights to match the size of the plates to the size of the triangle they  are used with, and to ensure adequate legibility. There are restrictions on which plates may be  used with individual signs and in some cases a plate is mandatory; the plates prescribed for use  with each sign are indicated below each diagram illustrated in this Chapter. Detailed drawings  showing the correct layouts for all permitted variants have been produced by the Department for  Transport (see  tải về 2.25 Mb. Chia sẻ với bạn bè của bạn: