92 Ill. Adm. Code 1500.240
Low Switch Stand Dwarf Signals, Signal Apparatus, etc.
Section 1500
Section 1500.240 Low Switch
Stand Dwarf Signals, Signal Apparatus, etc.
Switch stands not exceeding two
(2) feet ten (10) inches in height, dwarf interlocking signals not exceeding
two (2) feet eight (8) inches in height, interlocking switch machines, pipe
lines and other signaling apparatus, the third rail and its supports for the
electric operation of trains, and guard rails of all kinds may be installed and
maintained between or adjacent to tracks regardless of the clearance line
hereinbefore specified.