Section 575 IAC 1-7-24 - Strobe lightsAuthority: IC 20-27-3-4
Affected: IC 20-27-9
Sec. 24.
(a) A white strobe light meeting SAE standards may be installed; it must be mounted on top of the center of the bus, above the rear wheels. A red strobe light meeting SAE standards may be installed in the stop signal device.(b) A strobe light must be controlled by a switch that is independent of the ignition system.(c) The candlepower must be at least 800 on a horizontal plane and at least 20 percent of horizontal light measurement at plus or minus seven and one-half (7 1/2) degrees at the vertical plane. Light intensity must be measured in accordance with the Blondell-Rae equation for intensity; only the light visible to the human eye must be measured.(d) The strobe light must operate only when the bus transports students during periods of reduced visibility caused by conditions other than darkness or in emergency situations. State School Bus Committee; 575 IAC 1-7-24; filed Jun 20, 1988, 8:50 am: 11 IR 3897; readopted filed Oct 10, 2001, 3:37 p.m.: 25 IR 938; readopted filed Jun 19, 2007, 10:10 a.m.: 20070704-IR-575070225RFA; readopted filed Nov 12, 2013, 11:21 a.m.: 20131211-IR-575130420RFA