In harmony with the principles for the compilation of provisions and instructions for the circulation of trains, referred to in UNI 5190, and those for the use of signals, referred to in UNI 5648, establishes the general criteria to be followed for the location of the main signals for temporary installation on railway lines. These criteria can be modified in a more restrictive sense by particular regulations which for some networks derive from particular characteristics in the structure of the operation. Signal for sudden stop, notified, in particular cases; for sudden and notified slowdown; for construction sites and work teams. table for acoustic signals. Maximum permitted speed indication signal. Firecrackers. Signals for power lines. Source: UNIFER 16.02.
UNI 7816-1978 history
1978UNI 7816-1978 Site of the principal temporary signals on the railway lines.