(625 ILCS 5/12-815) (from Ch. 95 1/2, par. 12-815)

Sec. 12-815. Strobe lamp on school bus.

(a) A school bus manufactured prior to January 1, 2000 may
be equipped with one strobe lamp that
will emit 60
to 120 flashes per minute of white or bluish-white light visible to a
motorist approaching the bus from any direction.
A school bus
manufactured on or after January 1, 2000 shall be equipped with one strobe lamp that will emit 60 to
120 flashes
per minute of white or bluish-white light visible to a motorist approaching the
bus from
any direction.
 The lamp shall be of
sufficient brightness to be visible in normal sunlight when viewed directly
from a distance of at least one mile.

(b) The strobe lamp shall be mounted on the rooftop of the bus with the
light generating element in the lamp located equidistant from each side
and either at or behind the center of the rooftop.  The maximum height of
the element above the rooftop shall not exceed 1/30 of its distance from
the rear of the rooftop.  If the structure of the strobe lamp obscures the
light generating element, the element shall be deemed to be in the center
of the lamp with a maximum height 1/4 inch less than the maximum height
of the strobe lamp unless otherwise indicated in rules and regulations
promulgated by the Department.  The Department may promulgate rules and
regulations to govern measurements, glare, effectiveness and protection of
strobe lamps on school buses, including higher strobe lamps than authorized
in this paragraph.

(c) The strobe lamp may be lighted only when the school bus is
actually
being used as a school bus and:

1. is stopping or stopped for loading or discharging pupils on a highway outside an