This standard specifies relevant requirements on setting condition, installation type, setting sequence, installation quantity and position, installation direction, signal pole, cable erection, design and construction qualification of road traffic signals (hereinafter referred to as signals)
This standard is applicable to installation of signals at urban road and highway intersection (hereinafter referred to as "junction"), urban road and highway section (hereinafter referred to as "road section") and grade intersection between urban road and highway, and urban road and railway (hereinafter referred to as" intersection of road and railway).
2 Normative References
The following normative documents contain provision which, through reference in this text, constitute provisions of this national standard. For dated reference, subsequent amendments to, or revisions of, any of these publications do not apply (excluding corrigendum contents). However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.