Section 575 IAC 1-2.5-54 - Windshield and windowsAuthority: IC 20-27-3-4
Affected: IC 20-27-9
Sec. 54.
(a) All glass in windshields and windows must be made of safety glass that shows permanent marks and prevents distortion of view. Plastic material, approved under Federal standards, may be used in any window except for the windshield and the windows to the immediate right and left of the driver and any rear windows used for driver visibility.(b) The windshield must: (1) Be constructed as one (1) or two (2) piece curved or wrap-around; or one (1) or two (2) piece flat; or four (4) piece flat.(2) Be laminated plate glass. The windshield must allow the driver to see the roadway clearly, must be slanted to reduce glare, and must be installed between the front corner posts, which are placed so that the driver's view is not obstructed.(3) Have a horizontal gradient band starting from slightly above the line of the driver's vision and gradually decreasing in light transmission to 20 percent or less at the top of the windshield.(c) Side and rear windows must meet the following criteria: (1) Glass in the side and rear windows must be made of AS-2 or better grade, as specified in American Standards Association Code Z26.1.(2) Each full side window must provide an unobstructed emergency opening of at least nine (9) inches high and 22 inches wide, attained by lowering the window.(d) At least one (1) push-out, emergency split sash window must be installed near the center of each side of the bus body. Side emergency windows must have the words "EMERGENCY EXIT" in at least two (2) inch high letters on the inside of the bus, above the side emergency windows.(e) All exposed edges of glass must be banded. State School Bus Committee; 575 IAC 1-2.5-54; filed Jun 20, 1988, 8:50 am: 11 IR 3855; 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